How it works
Upload a PDF, set an owner/user password with AES-256, and download the encrypted file locally.
Add a password with AES-256 encryption. Nothing is uploaded.
🔒 100% Secure & Local: Your documents are processed entirely in your browser and never uploaded to any server.
Drag & Drop files here
AES-256 encryption runs locally. Choose a password you will remember. Up to 80 MB · 25 files / batch
Upload a PDF, set an owner/user password with AES-256, and download the encrypted file 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 a PDF, set an owner/user password with AES-256, and download the encrypted file locally.
Passwords cannot be recovered if lost. Some older PDF viewers may not support AES-256. 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.
Extract selectable text from a PDF for notes or search.
Convert PDF files to editable Word (.docx) documents in your browser.
Export each PDF page as a high-resolution JPG in your browser.
Combine multiple PDF files into one document locally.
Turn Word documents into share-ready PDF files without leaving the browser.
Flatten pages to JPEG locally — great for scans. Text won’t stay selectable.