Drag & Drop Files Here
or click to browse • Auto-detects format
or click to browse • Auto-detects format
Drag and drop any supported file. The app automatically detects the format.
Your browser processes everything using WebAssembly. Nothing is uploaded!
Get your converted or merged file instantly. It's created right on your device!
All conversions happen locally using JavaScript, WebAssembly, and browser APIs. We don't have servers that receive your files. Your data stays on YOUR device.
Convert common web image formats including PNG, JPG, WebP, GIF, BMP, SVG, and HEIC/HEIF into PNG, JPG, WebP, or PDF.
Convert text-based documents including TXT, Markdown, HTML, CSV, TSV, JSON, XML, and RTF.
Combine multiple PDFs, images, and text-based documents into one PDF in your chosen order.
Use on Windows, Mac, Linux, iOS, Android - any device with a modern browser.
Every day, millions of people need to convert files — images, documents, PDFs. But most online converters come with serious drawbacks:
UniFile was built from the ground up with one mission: make file conversion private, fast, and truly free.
We believe privacy is a right, not a feature. UniFile proves that powerful tools can exist without compromising your data. Built with modern web technologies, open source, and designed for everyone.
Have questions, suggestions, or just want to say hello? I'd love to hear from you!