I’m starting this off by saying that I’m looking for any type of reasonably advanced photo manipulation tool, that runs natively under Linux. It doesn’t have to be FOSS.
I switched to Linux, from Windows, about three years ago. I don’t regret the decision whatsoever. However, one thing that has not gotten me away from Windows entirely, is the severe lack of photo editing tools.
So what’s available? Well, you have GIMP. And then there’s Krita, but that’s more of a drawing software. And then…
Well that’s it. As far as I know.
1. GIMP
Now, as someone migrating from Photoshop, GIMP was incredibly frustrating, and I didn’t understand anything even after a few weeks of trying to get into it. Development seemed really slow, too. It’s far from intuitive, and things that really should take a few steps, seemingly takes twenty (like wrapping text on a path? Should that really be that difficult?).
I would assume if you’re starting off with GIMP, having never touched Photoshop, then it’d be no issue. But as a user migrating, I really can’t find myself spending months upon months to learn this program. It’s not viable for me.
No hate against GIMP, I’m sure it works wonders for those who have managed to learn it. But I can’t see myself using it, and I don’t find myself comfortable within it, as someone migrating from Photoshop.
2. Krita
Krita, on the other hand, I like much more. But, it’s more of a drawing program. Its development is more focused on drawing, and It’s missing some features that I want - namely selection tools. Filters are good, but I find G’MIC really slow. It also really chugs when working with large files.
Both of these programs are FOSS. I like that. I like FOSS software. But, apart from that, are there really no good alternatives to Photoshop? Again, doesn’t need to be FOSS. I understand more complex programs take more development power, and I have no problem using something even paid and proprietary, as long as it runs on Linux natively.
I’ve tried running Photoshop under WINE, and it works - barely. For quick edits, it might work fine. But not for the work I do.
So I raise the question again. Are there no good alternatives to Photoshop? And then I raise a follow-up question, that you may or may not want to answer: If not, why?
Thanks in advance!
A long time ago, when I was broke and decided I couldn’t afford Photoshop, I decided to invest the time in learning GIMP.
Even though I’m a UX professional, and the barely okay UX does bother me, that has turned out to be a wise investment because no matter what, GIMP is always there for me. Always!
The price never goes up. It never gets paywalled by a subscription. It never has shady license changes. It changes slowly and deliberately. I never have to convince a new boss to pay for it. I never have to wonder if it will be available for a project.
That was like 20 years ago. I don’t how much value I’ve gotten out of that initial investment, but I bet it’s a LOT.
I work with a small nonprofit that years ago was donated Photoshop. Over the years as upgrades happened, the org received new donations in one way or another to keep it current enough that it was still helpful. Even with a legit corporate donation of the software the license for it was a pain to deal with. At one point when it needed to be reinstalled it was no longer possible and I told the org to just forget about it. Last time I talked with Adobe to try to get it working, which they refused to do, I ended up telling them I would never use an Adobe product willingly again. I personally learned Gimp at that point and while I only use it from time to time it does the job and as you say, it is always there, always works, has plenty of online help and does anything that I need it to do.
Just like beingoff corporate social media, I try to use FOSS as much as is reasonable because while it may have rougher edges at times, it can actually be more reliable. I manage some servers as part of my job and over the years the licensed stuff, Windows server, Exchange, VMWare at some point will bite you back with a dead end or major costs where as Debian…
I learned Gimp alongside Photoshop ~10 years ago and it’s my preferred image editor. It does have some silliness sometimes, but overall I adore it.
One of the best things they ever did was making it one-window by default.
GIMP has its share of issues, just like any other software. but it’s biggest issue is that somewhere down the line general users got this idea in their head that it was supposed to be a Photoshop clone.
So they go into it with certain expectations and then get frustrated when it doesn’t work that way. People like me, who actually learned GIMP before PS, obviously didn’t go in with the same bias and therefore have a much better grasp on it.
Gimp is not a Photoshop clone. it’s its own piece of kit with it’s own design and feature decisions that some may like and others may not. That’s life. The developers have no obligation to follow any other software design scheme any more than Sony is obligated to follow LGs TV UI. They’re not clones, they’re alternatives.
if you think Gimps only function is to copy Photoshop, you’re in for a bad time. If you want to use gimp as an ALTERNATIVE and go in without the bias, you’ll likely learn your way around a LOT faster.
I’m not excusing Gimps failings. far from it. but I AM saying that half the issue is the Photoshop users thinking that gimp only exists to copy everything from their precious Adobe daddy. And that’s simply not true.
Honestly I feel like this attitude is the reason GIMP’s UX suffers. They’re so determined to be “not like photoshop” that they’re unwilling to fix some of their more boneheaded UI decisions out of fear that they’d be seen as copying photoshop.
That’s not exactly my impression from following the design conversations through the years. They’re more approaching decisions from the angle of what they think is best, their philosophy is to plainly ignore what others do and follow their own direction. Of course taking inspiration from Photoshop might sometimes be a good thing, if it doesn’t conflict with the GIMP way of doing things.
I’ve noticed in recent years some newcomer devs have had discussions on how to design their contributions, mentioning Photoshop and other alternative ways and there were just conversations about the merits of the different approaches that could be taken and what would fit the GIMP best, without bias.
Anyway, I wasn’t aware that GIMP UX suffers, I’ve never used anything else and am happy with it. It seem logical to me, obviously with fewer features than Photoshop but how much can a couple of guys do and they’ve had to refactor most of the GIMP for 3.0, but that’ll open up for a lot of functionality being added moving forward…
Anyway, I wasn’t aware that GIMP UX suffers, I’ve never used anything else and am happy with it.
My argument here is that by never having used anything else, you wouldn’t necessarily realize how much better other UX choices could have been.
That said, I do have to give the devs some credit, as they have fixed two major issues, by adding single-window-mode and unifying the transform tools. Having each transform be its own separate tool was just awful UX IMO.
The biggest remaining UX problem, in my opinion, is the way GIMP forces layers to have fixed boundaries. Literally no other layer-based image editor has fixed layer boundaries, because it makes very little sense as a concept. Layers should solely be defined by their content, not by arbitrary layer properties set in a dialog box.
In terms of UI sometimes you think something is better merely because you learnt this way. The best example would be windows style desktop versus macos style desktop. I can’t use another desktop than a windows style one, which is why I always used kde and I always hated gnome.
Now I don’t know whether gimp is good enough or not, but it must be said IMO.
Amen to everything you’re saying.
If you want to use gimp as an ALTERNATIVE and go in without the bias, you’ll likely learn your way around a LOT faster.
I think this is the key phrase – do you want an alternative (where you might have to learn new ways of doing things), or do you want a clone? GIMP is not a clone, but an alternative.
I also think this gets to something I was told loooooooooong ago, when I was a young lad asking what was the best computer to buy. Someone told me, “Find all the software you want/need to run, and get the computer that will run it all.”
In other words, if you need to use Photoshop, then maybe you don’t use Linux – maybe stick with Mac or (shudder) Windows.
@displaced_city_mouse @Adderbox76 yeah I’m fairly OS agnostic, I hate them all…just hate Windows more which I think you might agree with considering the shuddering induced by mentioning Windows 😏 I use ChromeOS, Mac, & iOS daily bc for my uses they are least problematic. Use Win 10 for gaming but looking to switch to Linux not W11 for that and have been dabbling/learning Android & Linux. Honestly it’s a good time to be a nerd IMHO.
I always love it when Linux users recommend going back to Windows as a option. It takes real maturity to admit that everything is a viable option, and sometimes especially in a professional workplace that Windows and MacOS should both be considered if Linux is limiting your workflow.
I once heard it explained that gimps programmers goal was to make a program that can edit pictures. Their goal was not to edit pictures.
People like me, who actually learned GIMP before PS, obviously didn’t go in with the same bias and therefore have a much better grasp on it.
Speaking for myself, I can say that’s true. To the point that even if I’ve got access to both, my default would be GIMP.
Agree, partly.
I’ve migrated to a lot of different programs since switching to Linux: Premiere to Resolve, 3DS Max to Blender, to name a few. And I never expected the switch from Photoshop, which I so dearly love, to whatever good alternative that exists - to be easy. I’m willing to put in the time to learn GIMP, if only it hadn’t such glaring and prominent issues that make it really difficult to use.
I’m not expecting a clone. I’m not expecting the UI to be the same. And, I’m willing to learn this program from the ground up. But I want a consistent experience - an app that works. For me, GIMP gets in the way a lot; making things unnecessarily difficult just for the sake of being “different”.
I don’t mean to hate on GIMP. It works very well for people who like it. But we all have different preferences when it comes to software, and in the end - It’s just, not a good alternative for what I prefer. I’m willing to learn something new, but from my experience, GIMP will have (and has) a lot of icks that I just need to “put up with” to be usable. Especially efficiency. GIMP does not feel efficient, like at all. Might be because I haven’t learned it, but even Resolve felt efficient the first time I used it.
I don’t have the same experience with Krita whatsoever. And sure, maybe Krita is a little closer to Photoshop than GIMP is, but I much prefer Krita’s overall experience much more than GIMP - even if it’s missing some more advanced features.
I will stick to Krita, most likely, as that’s what I find myself most comfortable with. But it’s been interesting to hear what everyone else’s experiences are.
Photogimp is a plugin for people coming from photoshop but still may not be the exact clone
I had the same experience moving from GIMP to Photoshop. 😂
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If I want to erase the white around an object
Funny, this is literally one of the primary examples of something that GIMP did better than Photoshop (at least back when I was actively using GIMP a lot). GIMP has the “color-to-alpha” tool that allows for backgrounds to be faded into transparency (including converting the border of that object into translucent pixels that don’t have the hint of the old background), which I remember being the easiest way to remove sky or other background from an object, and to place that object into a new background or other image.
I’m guessing that in the 10 years since, Photoshop has a bunch of those AI tools that can do that specific function almost automatically. But GIMP does do that specific task pretty well.
Erasing the white around an object is crazy easy in GIMP. select color, delete. done. That’s one task that is easier in GIMP then in Photoshop in my opinion.
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GIMP has the closest thing to feature parity. If you’re looking for similarity of UI and workflow, you’re not going to get it. Adobe throws millions of dollars that open-source projects don’t have at streamlining their UI. UI specialists that will work for free are unicorns, so most open-source UIs are designed by volunteer generalist programmers. Which means that said UI gets the job done, but isn’t optimized for the workflow of people who don’t think like the original programmers.
Personally, I might shift the same picture through Darktable, GIMP, Inkscape, and even Scribus, depending on what I was trying to do with it. (Text on a path -> probably Inkscape, then export as PNG and import into GIMP as a layer.) Is that less convenient than performing all the operations in one program? Possibly, but since I don’t like Photoshop’s UI either, I’m willing to give up on “one-stop shopping”.
(So who, for my money, had the best UI? Probably Paint Shop Pro, twenty or so years ago when it still belonged to JASC. Of course, it was a simpler program too, and so had less junk in its interface.)
Fact is, if you’re a pro, you’ve invested years into learning Photoshop’s interface and how to get the best results out of it. You’re in the position of a baseball player who’s decided to start all over again with basketball. Any attempt to transition to other software is going to be really, really frustrating for you, and likely drop your productivity into the toilet for a few months at least. Plus, you’re going to need some features that average users don’t care about, especially if you’re preparing work for print.
I hate to say it, but you may honestly be best off running Photoshop in a VM rather than trying to move to other software, at least until you can set aside a couple of months where you have no urgent projects (if that ever happens).
There’s a script for installing Photoshop with wine on Linux: https://github.com/Gictorbit/photoshopCClinux
it worked for me
Personally, I might shift the same picture through Darktable, GIMP, Inkscape, and even Scribus, depending on what I was trying to do with it. (Text on a path -> probably Inkscape, then export as PNG and import into GIMP as a layer.)
Gotta love this adaptation of the “do one thing and do it well” principle.
I hope we see more composable desktop apps in the FOSS space so that we can at least get more UI options for a given backend. Maybe then we can get closer to what users want. The other option more low code options, so users with more domain expertise and build UXs like they want.
Can it be a web one? If so, I’ve used Photopea in the past.
+1 for Photopea. I found it extremely friendly coming from Photoshop, has a lot of functionalities and works great on computers where I can’t/won’t install Photoshop. YMMV though, since you want to use it as a full replacement and I used it only for simple retouching/modifications when I’m not on the desktop
Surprised I had to scroll this far to see Photopea. It’s a fantastic alternative to Photoshop, and it’s accessible on nearly any platform since it’s web-based.
Another +1 for Photopea from me. I had been on-and-off wrestling with Wine to get Photoshop to run since I had switched to Linux, but since discovering Photopea I haven’t felt the need to bother with that. In addition to the website version, if you aren’t religiously anti-Electron, there’s a desktop app for it on Flathub.
Photopea is amazing and I think it’s made by a single developer who is crazy good.
I think one of the most insidious things about Photoshop is that it is a powerful, complex program. Using it is a skill. Which means that even if you think you are getting the better of Adobe by pirating their software, you are still building your own skills with their program, which is so full of features that classes can be taught about using it. In the end, that’s a win for Adobe and their proprietary software, because if you end up getting good enough to make money from that program, you will end up finding yourself in a position where you eventually pay them, or work for someone who does. This is to the detriment of any other photo editor, of course. You won’t care about how good GIMP or anything else is, much less fund it, because you won’t want to use it, because you know Photoshop.
If I had deep wallets I would love to start funding GIMP for development and rebranding. But I don’t have that kind of cash to push around :P
I’ve read that part of why GIMP is the way it is is because it’s meant to be a testbed for the GTK UI library, so features are added to use new UI elements as much as they are to aid photo manipulation, and in some cases it’s considered preferable to use a weird widget so it’s got a test case rather than whichever widget leads to the best UX. I don’t think I’ve ever looked for a more definitive source than a Lemmy/Reddit comment, but it’s at least consistent with my experience of using GIMP.
Gtk started as the Gimp Tool Kit but I don’t think there has been any real connection for ages. We’re taking about 1997 or something.
Other than Affinity, I don’t know who else is competing against Photoshop in the professional space. Neither have native Linux builds.
There’s also PhotoGIMP which patches GIMP to make it look like Photoshop. You can also try installing Photoshop or Affinity via WINE.
If not, why?
Neither Adobe nor Serif see Linux as a potential market. As for the open source ones, I’m guessing it’s because their funding and development team isn’t as big as an industrial giant like Adobe. I’m happy Blackmagic Design supports Linux to some degree and I get to have DaVinci Resolve on Linux natively. I wouldn’t be on Linux if DaVinci Resolve did not work natively tbh.
I’ve recently read that Affinity programs now work through Bottles, though I haven’t yet tried it myself.
They do, but I find them very laggy compared to Windows.
Davinci Resolve originally ran on SGI and Sun graphic workstations, which ran IRIX and SOLARIS respectively, both System V UNIX-based OSs. It’s pretty cool that they’ve maintained *nix-based support all of these decades.
Guy that made the Pantone port after that whole fiasco also made the pinkest pink and blackest black paints money can buy. His company is currently developing an alternative to Photoshop, InDesign, Illustrator, aaaand… I think Premiere?
It’s being developed under the brand “Abode”
That’s an amusing name but they take a photoshop competitor to market using that name they’re going to lose a trademark dispute in milliseconds.
They also just slightly adjusted the logo
Abode with that logo … At a first glance I thought it was an April’s fools joke. 😁
“Abode” is just an English word, so they can’t trademark it anyway.
You can trademark dictionary words.
You can’t trademark anything too generic, like you might struggle to trademark a drink called “drink” or something (although you might be able to trademark, eg, shoes called “drink”!), but there’s nothing stopping you trademarking words.
Oh, and, Adobe is an english word, too.
so is Apple
Sweet! I love that the armchair lawyers also migrated from Reddit :D
Do you believe that law-related aspects related to this could or should just be ignored? Or that doing so would lead to positive outcomes down the road?
Nobody came here to hear about reddit
Pst
I don’t care :D
Sssssshhhhhhh
ut the fuck up
Is… is that an exurbia reference?
Haha! I checked the Kickstarter and I absolutely love the whole thing! Doesn’t look like it’ll be for Linux, though (It says “PC and Mac” on the kickstarter), but I’ll definitely follow the progress of this.
I’m just hoping Linux is supported, and if it is, not being built in Electron would be a huge bonus
I read that as “adobe” and thought you were kidding lmao
Link to the project:
There’s also
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Linux support seems to be “Maybe if we have enough money and time”. So I highly doubt it but I would be happy to be wrong.
Yeah, it’s just a low priority idea at the moment.
Adobe’s annual revenue is over 18 billion dollars Gimp has one developer who is almost full time and various part time contributions. One answer is that Linux support would be both non-trivial and would only add 1-3% to revenue for a multi platform editor. There WAS a reputably professional editor bloom.app at one point but it seems to have died.
GIMP is beyond stale and it’s frustrating to see people recommend it as an “alternative” to Photoshop when it’s about as actively developed as X11. The fact it’s making rounds on FOSS news channels/sites because they ported the UI to GTK 3 (Which was replaced by GTK4 3 years ago now) is really a sign of how bad the project has gotten.
Photopea is a near feature-for-feature clone of Photoshop, designed around the superior UX and UI of photoshop, and all within a webapp that leverages hardware acceleration. All done by a single person. The downside is that it’s a proprietary webapp that costs money to use without ads clogging half the screen.
And you know what? I STILL prefer Photopea to GIMP, after using the latter for years. GIMP is old, slow, and pretty much dead in the water and I’m certain that they’d have produced 3.0 faster if someone had rewritten it over a weekend instead of trying to port the godawful mess of tech debt that must be going on inside the GIMP project atm.-
Photoshop getting better support via WINE/Proton is more likely than GIMP ever returning to its hay-day of being a true competitor to PS.
Downside of Photopea is it’s not open-source (mainly because the creator needs ad revenue to run it, but I digress)
I have to agree, Photopea really is the best alternative to PS for Linux users. It’s honestly good! I wish Affinity would consider launching a Linux Verizon, as I actually like that a lot more than PS, but that seems equally as unlikely…
So for now, Photopea seems the best option overall. One plus, being written in WASM (probably using Rust?) it’s really speedy and fast. It feels faster than Gimp anyways, which is definitely not a good statement on the state that Gimp is in…
Prompt move to GTK3 and now 4 adds very little value to gimp. Using it as benchmark is completely useless. If I understand correctly there are major changes happening under the hood and the effort may not have much effect until the work is finished.
Gimp is really powerful. What are you missing from it?
habit and practice. op himself said he believes gimp can do wonders, but he’s migrating from adobe and is accustomed to photoshop’s shortcuts, ui and workflow.
imho, people go wrong expecting same experience in different application. yes, gimp works very differently but when migrating, one should count on different ui and logic. afterall, ps also have learning curve in the start and none complains.
it’s similar to users migrating from windows to linux, expecting same windows ui and workflow, blaming linux bad.
They did list one specific example of text wrapping which is apparently a two step process on Photoshop and twenty steps in GIMP. Probably an exaggeration, but the sentiment seems to be that it isn’t just different, its worse.
Dealing with differences is fine, but things that are more difficult or require more steps is a problem that should hopefully be fixed.
yeah, having 30 years of Photoshop experience and then being told I have to learn a whole new tool that looks and works completely differently? it took a very long time to become a master of this one tool. now I have to completely re-learn and re-master a new one?
no thanks.
But then you cant complain? Just use Photoshop then with Windows or Mac OS and pay the subscription. Problem solved.
I’ve used Photoshop for 30 years and have never - not once - paid for it.
pay for it, HA!
But just because I have the option of running Photoshop doesn’t mean I’m not allowed to have an opinion on GiMP, lmao. Enough with the gatekeeping.
While I get your point about not expecting all software to have the same workflow, keep in mind that learning a new one isn’t always in the cards. The reason people don’t complain when learning Adobe is because they are probably starting with it. But if they complain when switching to GIMP it’s because they have to spend the time to learn a new system instead of getting their work done. And especially in a professional environment, that just ends up causing problems.
While I get your point about not expecting all software to have the same workflow, keep in mind that learning a new one isn’t always in the cards. The reason people don’t complain when learning Adobe is because they are probably starting with it. But if they complain when switching to GIMP it’s because they have to spend the time to learn a new system instead of getting their work done. And especially in a professional environment, that just ends up causing problems.
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If this comment isn’t the perfect distillation of the frustration people have with GIMP, I don’t know what is.
OP makes a very even-handed, consciencious treatise to gather more info about alternatives to GIMP based on the UX issues they themselves have been struggling with and which are commonly recognized throughout the community, with at least one example, while acknowledging how incredible and powerful an undertaking a piece of software GIMP definitely is, and…
… The same cookie cutter response on every single GIMP discussion since 1998: “IT IS VERY POWERFUL. WHAT FEATURE IS IT MISSING?”
Similar to GIMP itself: You’re not wrong you’re just… Not being anywhere near as helpful as you could be.
I dunno. The title was “Are there really no viable alternatives to PhotoShop on Linux?”. I think it’s fair to say, “There’s GIMP”. It’s viable. People use it successfully and happily. 'Nuff said.
Ha, well, yeah this pretty much tracks.
To paraphrase: “if we only pay attention to the most fundamental requirements and ignore any nuance and subtlety that’s added, the implementation is perfect. What’s the problem?”
Or: “Why care about the body of the post when there’s at title?”
Since no one else seems to actually be answering you, I’ll give you one. Smart Objects AKA linked layers. I use these in just about every single PSD and it has saved me rediculous amounts of time and effort undoing or redoing edits and avoiding destruction of a raster image by rotating or scaling it multiple times.
There has been a feature request open for this for 10 years and it is still not implemented. I first found out about the intention to add linked layers several years ago but I quickly gave up when I realised how much time it was taking.
I couldn’t tell you other features as I have not used Gimp much beyond trying it out for some light projects and to make use of some of it’s better-than-Photoshop color to alpha tools. But this one feature combined with all the UI, behaviour, and shortcut decisions is enough to keep me stuck on Photoshop for Windows for a long while yet.
Fair enough. I guess it depends on what you’re used to. I never used Photoshop and I’ve been using Gimp for over a decade now. I do a lot of visual editing for my work and there isn’t anything I haven’t been able to do with Gimp. But yes, some stuff do take hours of work. I also work with FOSS music production software and while I know the commercial ones are easier to use, everything I’ve wanted to accomplish using FOSS music production I’ve been able to get it done. I guess it all depends on what your reference point is
habit and practice. op himself said he believes gimp can do wonders, but he’s migrating from adobe and is accustomed to photoshop’s shortcuts, ui and workflow.
imho, people go wrong expecting same experience in different application. yes, gimp works very differently but when migrating, one should count on different ui and logic. afterall, ps also have learning curve in the start and none complains.
it’s similar to users migrating from windows to linux, expecting same windows ui and workflow, blaming linux bad.
When all my experience with image manipulation programs was paint.net and I wanted something more powerful I tried gimp. I hated it. I saw it was powerful but the ux just isn’t great. It’s really complicated and unfriendly for new users. When I then tried using photoshop, it was really easy to get into. And that’s a general problem with foss. Most big closed source programs had millions spent on ux research. Most foss programs never think about the average user but are instead by professionals for professionals.
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Wow that actually looks usable. I’ve always written GIMP off as unusable for me as a Photoshop user.
It’s not a perfect clone, but it definitely eases the transition. I gave it a try and found it quite usable.
Nothing currently can compete with Adobe Photoshop. Unless they port it to linux. It would take open source devs serious time to catch up to Photoshop development. Plus without making millions of dollars for decades, the development of another application of that scale and complexity would be a serious undertaking. That said GIMP as you know is probably the best “alternative”. For me I just dual-boot and use windows for basically Adobe Suite. All other times I use linux. However I learned GIMP a long time ago so I am comfortable using it for what it can do, and I’m probably faster in GIMP than PS. I am not a professional graphic designer etc. though.
Nothing can touch Photoshop. They pay developers good salaries to implemend new features. For people who do media prouction and photography for $150,000, they only care about time, nothing else. I will always tell them to use Mac or Windows and Photoshop to get work done in a hurry and get paid.
GIMP does not exist or is s laughing joke for people who work full time in graphic design and photo production.
Hard disagree. Affinity Photo is on par. It. Is worse in a few areas (AI, especially) but better in others.
photopea.com is actually pretty great, much easier to use than gimp with similar (or even better) feature set.
This exists, but it has the downside of being a web app rather than a native application. Can’t use it offline for instance.
You can use it offline as long as you load it up before going offline.
Photopea runs completely in your device, just like Sketch or Photoshop do. It does not upload any of your files to the internet. You can load Photopea.com, disconnect from the internet and keep using it completely offline. None of your files ever leaves your computer.
Oh, this seems like a great alternative! Doesn’t feel as snappy, (and I’m not sure if there’s a performance hit with it being a webapp rather than native?) but this’ll do wonders! Thanks for the suggestion!
I haven’t noticed any performance issue so far. I think they use wasm which help with speed. Too bad it’s not open source, but the fact it’s developed by a single guy working on it full time is actually very interesting, considering the webapp is actually work better than some apps developed by bigger teams. It can even edit PDF and gif!