AntiUpload — Private PDF & File Tools

One-click access to 50+ free file tools that run in your browser. Your files are processed on your device — never uploaded.

50+ free file tools that run in your browser. Compress, convert, edit and sign PDFs — your files are never uploaded. Description: One click to 50+ free file tools that process everything ON YOUR DEVICE — your files are never uploaded to a server. Drop a file on the extension and it opens the right tool on antiupload.com with the file already loaded. Right-click any PDF link or image on the web to compress, convert, or edit it directly. TOOLS INCLUDE • Compress, merge, split, rotate, repair PDFs • PDF ⇄ Word, Excel/PowerPoint/EPUB → PDF • Edit PDF text — true in-place editing with paragraph re-wrap • Sign, redact, protect, unlock, watermark PDFs • Compare two PDFs, OCR scanned documents • Convert, resize, compress images (JPG, PNG, WebP, AVIF, HEIC) • Trim, convert, compress video and audio WHY IT'S DIFFERENT Every tool runs entirely in your browser using WebAssembly. You can verify it yourself: load a tool, disconnect from the internet, and it still works. No accounts, no watermarks, no daily limits, no file uploads — ever. This extension is a launcher: processing happens on antiupload.com, in your browser, on your machine.