Convert HTML, CSS and JavaScript animations into MP4 videos locally on Windows
Stage
Not given
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Founded
Not given
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Based in
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CA
Pricing model
Paid
Freemium
Pricing
Starter pack $9.90 USD (3 processing credits); Studio pack $19.90 USD (8 processing credits); Creator monthly $19.90 USD/month (10 processing credits each month); Studio monthly $39.90 USD/month (24 processing credits each month).
Free trial: $0 with 10 renders, up to 1080p, up to 10 seconds per video. Desktop Pro: CAD $19 one-time payment with unlimited conversions, batch rendering, up to 4K resolution, and activation on up to 3 machines.
Key features
Remove video background once and reuse for multiple exports
Export in three frame sizes: 9:16 vertical, 1:1 square, 16:9 landscape
Support for static PNG, JPEG backdrops or solid colors
Local file checks before cloud upload
Preserve original AAC audio in exports
Support for videos up to 15 seconds, 30 fps, 200 MiB
Up to three cloud export requests per source video
Supports HTML, CSS, Canvas and WebGL animations
Local rendering with private file processing
Batch rendering with up to 4 concurrent workers
Hardware GPU encoding (NVIDIA NVENC, AMD AMF, Intel QSV) with CPU fallback
Up to 4K UHD resolution (3840 x 2160)
Audio capture and external audio file support
Activation on up to 3 machines
Automatic browser crash recovery
30-day offline grace period after activation
Open-source MIT Node.js CLI alternative
What makes it different
Works with existing footage; no new script or performance needed
File checks run locally before uploading to cloud
Focuses specifically on background replacement, not full editing
All rendering happens locally on your machine
Pre-bundled Chromium and FFmpeg, no terminal or setup required
Test animation rendering for free before purchasing
Deterministic rendering with frame-by-frame control
SwapBackdrop
htmltomp4