FFmpeg Playground - In this tweet
Video format conversions without a server
FFmpeg Playground - In this tweet launched on April 24, 2023 with 6 votes, #2,033 of 4,853 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 3 years on.
What it does
A tool for converting between different media formats (without uploading to a server). It supports m3u8 to mp4, mp4 to webm, mp4 to gif, avi to mp4, and more...
Using ffmpeg to convert between media types, e.g. convert a video from m3u8 to mp4, mp4 to avi, avi to gif, etc... Use it in conjunction with inthisweet.app for even better combinations
Does a similar job
all alternatives →
Ez FFmpeg – Video editing in plain EnglishDec 2025 · npmjs.com · ▲420I built a CLI tool that lets you do common video/audio operations without remembering ffmpeg syntax. Instead of: ffmpeg -i video.mp4 -vf "fps=15,scale=480:-1:flags=lanczos" -loop 0 output.gif You write: ff convert video.mp4 to gif More examples: ff compress video.mp4 to 10mb ff trim video.mp4 from 0:30 to 1:00 ff extract audio from video.mp4 ff resize video.mp4 to 720p ff speed up video.mp4 by 2x ff reverse video.mp4 There are similar tools that use LLMs (wtffmpeg, llmpeg, ai-ffmpeg-cli), but they require API keys, cost money, and have latency. Ez FFmpeg is different: - No AI – just…

- FWFFmpeg.wasm In-Browser Video ConversionNov 2025 · ethan.dev · ▲6
Browser-based video converter powered by FFmpeg.wasm. Convert MP4, WebM, AVI, MOV, MKV, GIF, and more without uploading files anywhere.


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Source: Product Hunt launch ↗
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