Convert an HTML animation to MP4 — without the quality loss
Most "HTML to MP4" tools either slap a watermark on the output or quietly screen-grab your page and hand back a stuttery, banded mess. Framecast renders your HTML frame-by-frame at full quality — no watermark, up to 4K — so the MP4 looks exactly like the animation in your browser.
One-time $2.99 per video · free watermarked preview first.
Why the render beats a screen recording
Screen recorders capture in real time, so they inherit every dropped frame and refresh-rate mismatch your machine produces. Framecast advances a deterministic virtual clock and captures each frame individually — the output is smooth even if the live page would have stuttered. The full side-by-side is on Framecast vs. screen recording.
Frame-perfect
Every frame captured on a virtual clock. No tearing, no dropped frames.
Up to 4K
Export crisp at high resolution — gradients stay smooth, edges stay sharp.
One drop, every format
A single HTML file becomes 16:9, 9:16 and 1:1 at once.
What HTML it converts
Framecast runs your file in a real browser engine, so anything the browser can animate, it can render:
- CSS animations & transitions — keyframes, transforms, easing, the lot.
- GSAP timelines — complex, sequenced motion comes out frame-accurate.
- Canvas & WebGL — particle systems, shaders, generative art.
- SVG animation — line draws, morphs, animated paths.
Made it in Claude? There's a dedicated walkthrough at Claude animation to video.
Formats you get
Posting to a specific platform? See YouTube Shorts, TikTok and Instagram Reels for the exact specs and tips.
About "HTML to MP4 free / no watermark"
Plenty of free converters exist — and most are fine for a quick, low-stakes clip. The trade-off is quality: real-time capture, resolution caps, length limits, or an account wall. Framecast is built for the moment the clip actually matters — a launch video, a portfolio piece, a paid post — where a stutter or a banded gradient is the difference between "looks pro" and "looks like a screen recording." You see a free preview first, then pay $2.99 only when you want the clean file.