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CstWeave
Snip any tab region to GIF & HD WebM. 100% on-device.
The fastest, most private tab region recorder. Draw a rectangle over any tab, export clean GIFs or HD WebM videos with system audio 100% on-device. No cloud uploads, no server rendering queues, no watermarks. Powered by Chrome Offscreen Documents for zero tab lag. Lite is free forever; Pro is $9.99 lifetime.
Hey Product Hunt! 👋 I'm Fuji, creator of CstWeave!
Why I Built CstWeave
Like many of you, I share dozens of quick UI tweaks, bug clips, and demo snippets every week with my team. But existing tools drove me nuts:
Cloud Recorders (Loom, Vidyard): Upload your screen data to third-party servers, take 30+ seconds to generate a link, force monthly subscriptions, and choke on sensitive internal data.
Desktop Recorders (CleanShot, ScreenToGif): Great, but heavy—and requires alt-tabbing, full desktop permissions, or Mac-only setups.
I wanted something instant, hyper-focused, and 100% private that lives directly inside Chrome.
What Makes CstWeave Unique?
Instead of streaming your viewport to a remote server queue, CstWeave encodes video frames 100% locally in your browser's RAM using Chrome's native Offscreen Document API (chrome.offscreen).
Snip Any Region: Hit Alt+Shift+G (Option+Shift+G on Mac), draw a box over any tab element, and hit record.
Zero Cloud & Zero Uploads: Your media frames never leave your machine memory. Period.
Instant Export: Save high-FPS WebMs with system audio or Floyd-Steinberg dithered GIFs the exact millisecond you hit stop.
No Watermarks / No Monthly Subscriptions: Lite is free forever; Pro is a simple $9.99 one-time lifetime license.
Try It Out & Let Me Know!
We built CstWeave to give creators, developers, and designers complete control over their screen snippets.
I'd love to hear your feedback, feature requests, or favorite workflows! What's the first tab region you're going to snip today?
About CstWeave on Product Hunt
“Snip any tab region to GIF & HD WebM. 100% on-device.”
CstWeave was submitted on Product Hunt and earned 4 upvotes and 7 comments, placing #87 on the daily leaderboard. The fastest, most private tab region recorder. Draw a rectangle over any tab, export clean GIFs or HD WebM videos with system audio 100% on-device. No cloud uploads, no server rendering queues, no watermarks. Powered by Chrome Offscreen Documents for zero tab lag. Lite is free forever; Pro is $9.99 lifetime.
On the analytics side, CstWeave competes within Chrome Extensions, Design Tools and Productivity — topics that collectively have 972.8k followers on Product Hunt. The dashboard above tracks how CstWeave performed against the three products that launched closest to it on the same day.
Who hunted CstWeave?
CstWeave was hunted by FujiDevv. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of CstWeave including community comment highlights and product details, visit the product overview.
FujiDevv