Pixlr
pixlr.com
The 2008 browser photo editor, now split into a simple and an advanced one
Free tierClassic
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photopea.com
Opens a PSD, keeps the layers, and runs entirely in a browser tab.
A near-complete Photoshop clone written in JavaScript: layers, masks, blend modes, adjustment layers, smart objects and the pen tool all behave as you expect. It opens PSD, XCF, Sketch, XD and camera RAW files and exports back to PSD, which makes it the practical answer when a client sends a layered file and nobody in the room has an Adobe licence. Images are processed in the page rather than uploaded.
AltFTool does this too
If you would rather not leave the site, Image Editor covers the same job here — free, no account, and it runs in your browser.
Open Image EditorQuestions
Works the moment the page loads. No account, no email, no trial. Ad-supported, and heavy files or long filter stacks make the tab crawl because it is all one browser process.
No. Photopea does the work inside your browser, so the file never leaves your device — you can load the page, disconnect from the network, and it still works. That makes it a reasonable choice for material containing personal data.
Ad-supported, and heavy files or long filter stacks make the tab crawl because it is all one browser process.
Alternatives
Same category or same task, ordered by how closely they overlap.
pixlr.com
The 2008 browser photo editor, now split into a simple and an advanced one
bulkresizephotos.com
Resizes hundreds of photos at once without uploading any of them
ezgif.com
Makes, crops, speeds up and optimises animated GIFs and short clips
screely.app
Wraps a raw screenshot in a browser frame and a decent background
squoosh.app
Compare image compression settings side by side before you export
tinypng.com
Shrinks PNG and JPEG files by half with no visible difference