FFmpeg WebCLI
Full FFmpeg in Browser, Offline PWA, No Uploads(WASM)
Details
- External ID
- 48404224
- Source
- HN
- Company
- —
- Product
- FFmpeg WebCLI
- Website domain
- github.com
- Launched
- June 4, 2026
- Cohort
- —
- Upvotes
- 86
- Upvotes percentile
- 0.9002732240437158
- Tags
- —
- Fetched at
- Sept. 7, 2026, 9:26 p.m.
- Updated at
- Sept. 7, 2026, 9:26 p.m.
Description
Built a browser-based FFmpeg editor that runs entirely client-side via WebAssembly. Your files never leave your device -- all processing happens in a Web Worker. Works offline as an installable PWA after first load.
Enrichment
- Theme
- audio and video developer utilities
- Vertical
- Horizontal
- Function
- Dev tools
- Audience
- Developer
- AI stance
- Not AI
- Project type
- Hobby / open-source project
- Normalized one-liner
- ffmpeg video processing in browser
- Manually corrected
- False
Could you build this?
Yes This is an in-browser PWA wrapping the existing ffmpeg.wasm library inside a Web Worker with a client-side UI.
Discussion
20 comments analyzed.
Competitors mentioned: VirtualDub, easyVMAF, Whisper.cpp, WebLLM
Concerns raised: ~4x slower than native for encoding, No hardware encoding support in WASM, WASM SIMD limited to 128-bit width, UI clarity about data locality needed
Feature requests: WebGPU for compute acceleration, WebCodecs for hardware encoding support, Clearer visual indicator that data stays local
Competitors
Other products that read as similar to this one — 163 launches clear the similarity bar, closest 8 shown.
Attention rank: #12 of 164 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 215 days after the earliest competitor.
- FFmpeg.wasm In-Browser Video Conversion · hn · 2025-11-01 · 6 upvotes · similarity 0.54
- FFmpeg Commander · ph · 2026-09-30 · 3 upvotes · similarity 0.53
- FFmpeGo · ph · 2026-09-25 · 3 upvotes · similarity 0.50
- Ez FFmpeg · hn · 2025-12-27 · 420 upvotes · similarity 0.50
- VidStudio, a browser based video editor that doesn't upload your files · hn · 2026-04-21 · 301 upvotes · similarity 0.49
- How far can you push file conversion into the browser? · hn · 2026-02-19 · 5 upvotes · similarity 0.46
- Firefox in WebAssembly · hn · 2026-07-15 · 273 upvotes · similarity 0.46
- CompressHome · ph · 2026-09-15 · 1 upvotes · similarity 0.45
Other launches for this product
- No other launches for this product.
Same idea, different domain
Nobody's really built a dev tools tool for Sales yet.