Convert WebP to JPG — privately
Many apps, printers and upload forms still cannot open WebP images saved from websites. JPG works everywhere. ZapDoc converts your WebP files right on your device.
Runs on your device · 0 bytes uploaded
Drag files to reorder, or use the arrows.
How to webP to JPG
- Add one or more WebP images.
- Pick a quality, or keep the default.
- Click “Convert to JPG” and download.
Private by design — and you can check
Your files are never uploaded, because there is nowhere to upload them to.
- No upload step existsFiles are read and written inside this browser tab. There is no server that could receive them.
- The browser enforces itThis page’s Content Security Policy only allows connections back to this site, which serves nothing but the app itself.
- See for yourselfOpen developer tools, watch the Network tab and run a job: no request carries your document.
- Open sourceEvery line is on GitHub, built on qpdf, pdf.js and pdf-lib.
Frequently asked questions
Are my files uploaded anywhere?
No. ZapDoc does the work inside your browser tab, using open-source engines compiled to WebAssembly and JavaScript. Your file is read from your device, processed locally, and the result is saved straight back to your device. You can check this yourself: open your browser’s developer tools, go to the Network tab, and run a job — no request carries your file.
Why convert WebP to JPG?
Many apps, printers and upload forms still cannot open WebP images saved from websites. JPG works everywhere.
Can I convert many images at once?
Yes. Add as many as you like; several images download together as one ZIP file.
Is ZapDoc free?
Yes. There is no sign-up, no watermark and no daily limit. ZapDoc is open source under the MIT license.
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- PNG to JPGConvert PNG images to JPG in bulk.
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- Merge PDFCombine several PDFs into one, in the order you choose.