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Kino Transcode

Open Red and Blackmagic Raw Files in the Browser

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I'm Luke from Kino. We make a video editor + MAM in the browser. Transcode opens Blackmagic RAW, RED R3D, ProRes, DNxHR, and MXF files in the browser (including the famously tricky OP-Atom). You can scrub rapidly, convert to H.264 or ProRes, all without installing anything or uploading footage.We built this because the film editors and creators we work with still need a desktop app just to look at a clip from these cameras, and we want it to be a link instead.The BRAW decoder builds on Paul B Mahol's FFmpeg BRAW decoder, which we ported to FFmpeg 8 and extended for newer files. For the R3D decoder, scrubbing uses quarter, eighth and sixteenth resolution, because a full 8K frame takes about 24 seconds on one core. Also, HDR clips convert to Rec.709 when they're tagged as PQ or HLG with BT.2020 colors.We also built a ProRes encoder+decoder, but we instead merged our efforts with Vanilagy of Mediabunny fame. His turbores implementation is very much worth the hype.

HN · launched Oct 22, 2026 · 9 upvotes (top 52%) · 0 views

Niche: browser-based file converters · 213 launches, 34 in the last 7 days ▲ +79% · Explore this niche →

Category and tags
  • Media & entertainment
  • Prosumer
  • Not AI

Visit website ↗ Source listing ↗

More like this: all 213 launches in browser-based file converters →

Could you build this?

No The product depends on decoding proprietary camera codecs (Blackmagic RAW, RED R3D, and OP-Atom MXF), which requires vendor SDK licensing and low-level codec expertise. The full product also includes a collaborative editor and media asset manager, a large engineering effort.

What it would actually take: Compiling codec decoders to WebAssembly and wiring them into a WebCodecs or WebGPU pipeline is the core hard part. Blackmagic and RED provide SDKs under license terms, so you would need vendor agreements or reverse-engineered decoders, plus strong video engineering skills. The collaborative editing and MAM layers also require a team with experience in real-time sync and media infrastructure.

Discussion

No comments on this launch.

Competitors

Other products that read as similar to this one : 381 launches clear the similarity bar, closest 8 shown.

Attention rank: #150 of 382 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 355 days after the earliest competitor.

Related data

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