# Remotion Convert

> In-browser video and audio conversion running locally without uploads

Remotion Convert is a free, open-source web utility for converting and editing media files directly in your browser. Powered by WebCodecs and Mediabunny, it processes video and audio locally using hardware acceleration so files never leave your device. It includes tools to transcode, resize, crop, trim, mirror, rotate, and extract audio without watermarks or limits.

Website: https://remotion.dev/convert

## What it is for

- Extract audio from a video file into MP3 or WAV format locally
- Transcode high-resolution videos into web-friendly formats like WebM or H.264 without uploading
- Resize, crop, mirror, or trim clips quickly without installing heavy desktop software
- Inspect metadata or transcribe media files privately offline

## Features

- 100% client-side processing using WebCodecs and hardware acceleration
- Works completely offline without uploading data to external servers
- Support for containers and formats including MP4, WebM, MOV, ProRes, MKV, MP3, WAV, AAC, and FLAC
- Options to re-encode (H.264, H.265, VP8, VP9, AV1) or copy streams without re-encoding
- Built-in video utilities to trim, crop, resize, rotate, mirror, and transcribe
- Load media from local storage, direct URLs, or sample files
- Zero ads, watermarks, or account requirements

## Pricing

Free

## Details

- Type: Web app
- Category: [Development](https://xiry.app/topics/development.md)
- Open source: yes
- Platforms: Web
- For: Developers, creators, and anyone needing quick, private media conversion without installing software
- Alternative to: CloudConvert, HandBrake, Ezgif
- Tags: video, converter, webcodecs, mediabunny, remotion, transcoding, offline

## Why it was saved

- [@JNYBGR, 23 October 2025](https://x.com/JNYBGR/status/1981346878269636865): A fast, free, privacy-friendly way to convert or compress video entirely in the browser without uploading anything.

## Related

- [@remotion/webcodecs](https://xiry.app/resources/remotion-webcodecs): In-browser video and audio conversion library powered by the WebCodecs API. (Web app, Freemium)
- [Mediabunny](https://xiry.app/resources/mediabunny): Fast, dependency-free JavaScript media toolkit for browser-based video and audio processing (Web app, Open source)
- [webcodecs-scroll-sync](https://xiry.app/resources/webcodecs-scroll-sync): Synchronize video playback to page scroll using the WebCodecs API (Web app, Open source)
- [Remotion Agent Skills](https://xiry.app/resources/remotion-agent-skills): Agent skills enabling AI coding agents to create programmatic Remotion videos (GitHub repo, Open source)
- [Prompting an Agent to Build a Video Animation](https://xiry.app/resources/prompting-an-agent-to-build-a-video-animation): Workflow for generating programmatic video animations using Remotion and coding agents (Tip, Free)
- [Remotion](https://xiry.app/resources/remotion): Framework for creating and rendering videos programmatically using React (GitHub repo, Freemium)

Updated 10 October 2026. Page: https://xiry.app/resources/remotion-convert

Make your own library: Xiry takes your saved reels, tweets, Reddit bookmarks and Watch Later videos, makes them searchable and pulls the useful stuff out, like this library. It's invite-only for now; join the waitlist at https://xiry.app/#waitlist.