How it works
Upload PDFs, drag to reorder, optionally pick pages per file, then merge into one document locally.
Combine multiple PDF files into one document locally.
🔒 100% Secure & Local: Your documents are processed entirely in your browser and never uploaded to any server.
Drag & Drop files here
Drag file cards to reorder. Expand any card to include or exclude individual pages. Up to 80 MB · 25 files / batch
Upload PDFs, drag to reorder, optionally pick pages per file, then merge into one document locally.
Conversions run in your tab with JavaScript — no desktop app required.
Files stay on your device during processing. We do not receive your uploads.
Heavy codecs and AI models run locally via Web Workers and WASM (FFmpeg.wasm, Transformers.js).
Upload PDFs, drag to reorder, optionally pick pages per file, then merge into one document locally.
Mixed page sizes are preserved; encrypted inputs must be unlocked first. Processing is 100% offline in your browser — files never leave your device.
Yes. This tool is free convert online with no signup. Processing stays in your browser — no uploads.
You control quality settings. Choose higher quality for no quality loss when converting online.
Every conversion runs inside your browser tab using JavaScript and Web Workers. There is no background server queue and no account is required for core tools.
Your files are never uploaded to FreeConvertKit for processing. Originals, previews, and exports stay on your device unless you choose to download or share them yourself.
When codecs or AI models are needed, WebAssembly modules such as FFmpeg.wasm and Transformers.js execute locally — giving you desktop-class power with absolute file privacy.
Flatten pages to JPEG locally — great for scans. Text won’t stay selectable.
Turn Word documents into share-ready PDF files without leaving the browser.
Add a password with AES-256 encryption. Nothing is uploaded.
Keep a page range or export each page as its own PDF.
Remove a password you already know. Processing stays local.
Convert PDF files to editable Word (.docx) documents in your browser.