A private, no-install alternative to PDF24 online
Get PDF24-style tools that never upload your file and need nothing installed: merge, compress, convert, edit, redact, OCR and more, right in the browser on any computer or phone.
Free forever · Runs on your device · 0 bytes uploaded
How Fizzdoc works
- Your file stays on your deviceEvery tool runs inside your browser tab, and the page is blocked from sending files anywhere. You can check it in your browser’s Network tab.
- Free, with nothing attachedNo account, no daily limit, no watermark and no paid plan. Open source under Apache-2.0.
- Works anywhereAny modern browser on Windows, Mac, Linux, Android or iPhone, with nothing to install, in 16 languages.
PDF24 is a trademark of its owner and is named only to say what this page is about. Fizzdoc is an independent project, not affiliated with or endorsed by PDF24.
Fizzdoc tools for the jobs people use PDF24 for
Each one works in your browser, free, without uploading anything.
- Merge PDFCombine several PDFs into one, in the order you choose.
- Compress PDFShrink a PDF by optimizing its images. Text stays sharp.
- Split PDFExtract the pages you need into a new PDF.
- PDF to WordTurn PDF text into an editable .docx.
- Word to PDFConvert a .docx to PDF, all languages supported.
- JPG to PDFTurn photos and scans into one PDF.
- Edit PDFChange existing text, add text and white-out, right on the page.
- Redact PDFBlack out text, signatures or photos so they’re gone for good.
- OCR PDFMake a scanned PDF searchable and copyable.
- Protect PDFLock a PDF with a password and AES-256 encryption.
- Unlock PDFSave a copy without the password you know.
- PDF to Scanned PDFTurn every page into an image, like a scanned document.
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 & pdf-lib.
Frequently asked questions
How can Fizzdoc work without uploading my file?
Every tool runs inside your browser tab, using engines compiled to WebAssembly. Your file is read from your device, processed there and saved back to it. The page is only allowed to talk to fizzdoc.com, which serves nothing but the website itself, and you can watch your browser’s Network tab to see that no file leaves.
Do I need to install anything?
No. Fizzdoc runs in the browser on Windows, Mac, Linux, Android and iPhone, including office or school computers where you can’t install software.
Is Fizzdoc made by PDF24?
No. Fizzdoc is an independent, open-source project and is not affiliated with or endorsed by PDF24. PDF24 is a trademark of its owner and is named only to say what this page is about.
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