YTMP3X for Firefox
Convert supported media to MP3 directly in Firefox
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YTMP3X is now available as a Firefox add-on. Open a supported public video or Short, choose the MP3 quality you want and convert the audio directly in Firefox. Conversion happens locally in the browser, with 128, 192, 256 and 320 kbps options. No account needed and the extension is free to use.
PH · launched Sep 7, 2026 · 1 upvote (top 69%) · 1 view
Niche: browser-based file converters · 213 launches, 34 in the last 7 days ▲ +79% · Explore this niche →
Category and tags
- Media & entertainment
- Dev tools
- B2C
- Not AI
- Commercial product
- Browser Extensions
- Productivity
- Audio
Visit website ↗ Source listing ↗
More like this: all 213 launches in browser-based file converters →
Could you build this?
Partial The browser extension UI and audio transcoding via WebAssembly FFmpeg are straightforward, but parsing and extracting streaming audio directly from YouTube violates platform protections and requires frequently maintained deciphering algorithms.
What it would actually take: Building a browser extension that extracts media streams from platforms like YouTube requires embedding or running dynamic cipher-extracting scripts (similar to yt-dlp's JS challenge solver) inside the browser extension context. Once raw stream chunks are fetched, the extension needs a WebAssembly-compiled build of FFmpeg or libmp3lame to demux and re-encode the audio streams into MP3 locally. Maintaining this requires ongoing reverse-engineering expertise to handle platform stream obfuscation updates and signature deciphers.
Competitors
Other products that read as similar to this one : 622 launches clear the similarity bar, closest 8 shown.
Attention rank: #477 of 623 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 310 days after the earliest competitor.
- YTMP3X Video to MP3 Converter for Chrome · ph · 2026-09-26 · 1 upvotes · similarity 0.77
- YTMP3X for Microsoft Edge · ph · 2026-09-10 · 1 upvotes · similarity 0.76
- YTMP3X for Windows · ph · 2026-09-18 · 1 upvotes · similarity 0.68
- MediaShift · ph · 2026-10-26 · 3 upvotes · similarity 0.64
- INSTANT Y2MP3 · ph · 2026-09-13 · 2 upvotes · similarity 0.61
- YTMP3 Media Downloader · ph · 2026-09-20 · 1 upvotes · similarity 0.61
- MPEG to MP3 · ph · 2026-10-14 · 1 upvotes · similarity 0.61
- Unboundcove Audio Tools · ph · 2026-11-01 · 1 upvotes · similarity 0.61
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.