Free Local Video & Audio Converter
Harness the power of your browser to convert massive media files instantly and privately without queues or limits.
Video Conversion
Effortlessly swap between container formats like MP4 and WEBM locally.
Audio Extraction
Pull the audio track out of any video file and save it as MP3, WAV, or OGG.
Powered by WebAssembly
Uses a compiled version of FFmpeg directly inside your browser for native speeds.
Zero Uploads
We never upload your massive video/audio files to a server—complete privacy.
Create GIFs
Upload a short video and instantly convert it to a looping GIF animation.
Instant Export
Once processed via your device's CPU, download the media instantly with no queues.
How to Transcode Media
Easily change video and audio formats.
Upload Media
Select a video or audio file. It stays securely on your device.
Pick Output
Choose your destination format (MP4, WEBM, MP3, WAV, OGG).
Convert Locally
Your browser does the heavy lifting to transcode the file.
Save File
Download the fully converted audio or video to your device.
Frequently Asked Questions
Common questions about our conversion tools.
Latest from Our Blog
Tips, guides, and insights on image optimization, web performance, and choosing the right formats for your projects.
Choosing the Right Image Format
A deep dive into PNG, JPEG, and WEBP formats and when to use each one for maximum quality and performance.
5 Tips for Optimizing Images
Learn how to reduce image file sizes without sacrificing quality for faster load times.
Image Formats & SEO
Discover the link between image optimization, page speed, and your search engine ranking.
About ConvertFree4U
A free, privacy-focused image and PDF conversion tool built for everyone.
ConvertFree4U was created with a simple mission: to provide a fast, secure, and completely free way to convert images and PDFs without compromising your privacy. Unlike other tools that upload your files to remote servers, we process everything locally in your browser using modern web technologies.
Privacy First
Your images stay on your device. We never see, store, or have access to your files.
Always Free
No hidden fees, no subscriptions, no limits. Convert unlimited images, forever free.
Modern Tech
Built with cutting-edge web technologies and AI-powered suggestions for the best results.