Photo editors that run in the browser
Photopea is the closest thing to Photoshop in a browser tab: it opens PSD, XCF and Sketch files, has layers and masks, and the muscle memory transfers. Squoosh compresses images entirely on your device, so nothing is uploaded. Polarr and Pixlr E cover adjustments and quick edits. All install from the browser with no download and no account.
The full editor
Photopea is the reason this category exists. It opens PSD files with their layers intact, supports masks, adjustment layers and smart objects, and lays its panels out close enough to Photoshop that people who know one know the other.
It is free, ad-supported, and needs a connection to load — installing gives it a window of its own, which matters more than it sounds for a tool you keep open for an hour.
Editors that never upload your file
Squoosh compresses images entirely in your browser and lets you compare codecs side by side. Nothing leaves the device, which is the difference between using it on a holiday photo and using it on a screenshot of something internal. It also works with no connection.
That local-processing property is worth checking on any image tool: a page that uploads your file to compress it is a page that has your file.
Adjustments and quick edits
Polarr covers colour grading and filters, and keeps working offline. Pixlr E is the lighter, faster option when you want to crop, resize and be done.
remove.bg does one thing — cutting a subject out of its background — and does it well enough that it replaced a manual selection step for a lot of people.
What the browser cannot do yet
Very large files strain the tab: a 200-megapixel composite will make any of these struggle where a desktop editor would not. Colour management is weaker, and if you need a specific ICC profile honoured exactly, this is not the place.
For everything short of that — and that is most work — the trade is a good one: no install, no licence, no version to update.
Frequently asked
Yes, funded by ads in the interface. There is a paid tier that removes them and raises the history limit; the editing features are not gated.
Some of these, yes — Squoosh and Polarr both keep working with the network cut once installed. Photopea wants a connection to load.
Apps mentioned
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646+ Progressive Web Apps with current catalogue evidence — browse and install from your browser, no app store.
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