GIF to WebM Converter

How to Convert GIF to WebM Online

1. Upload Your GIF: Drag and drop or click "+ Add Files" to select animated GIF files from your device. Batch conversion is supported — queue multiple GIFs and process them in one pass.
2. Pick File Compression Mode: Default is Quality Preset at "Very High (Recommended)" — good for most web embeds. Switch to Constant Quality for a fixed CRF-style target, or Constraint Quality to cap bitrate while letting easy frames compress more. Drop to "Medium" or "Low" for Telegram-sticker-tight 256 KB outputs.
3. Set Resolution (Optional): Leave Video resolution on "Keep original" for 1:1 dimensions, scale by Resolution Percentage (e.g. 50% halves both axes), pick a Preset Resolution like 720p or 512×512 for Telegram stickers, or enter custom Width x Height. Aspect ratio is preserved automatically.
4. Convert and Download: Click "Convert" and grab the WebM. processing runs on our servers — no sign-up, no watermark, runs on xconvert’s servers with no per-file cap.

Why Convert GIF to WebM?

GIF's 1987 LZW compression treats every frame as a fresh 256-color paletted bitmap with no inter-frame prediction. WebM's VP9 codec exploits temporal redundancy between frames, so a 5-second 480p clip that ships as an 8 MB GIF can land under 200 KB as WebM — routinely 10× to 40× smaller for the same visual content. The conversion is essential when you care about page-load budgets, mobile data, or hitting strict file-size caps (Telegram stickers, Discord uploads, Slack embeds).

• Page-load and Core Web Vitals — Replacing <img src="animation.gif"> with <video autoplay loop muted playsinline> cuts bytes by 80-95% and lets the browser progressively render. Google's web.dev guidance explicitly recommends video formats over GIF for animated content.
• Telegram video stickers — Telegram requires WebM with VP9 codec, max 256 KB, max 3 seconds, max 30 FPS, no audio, and one side exactly 512 px. A direct GIF→WebM conversion at 512 px with quality tuning is the standard workflow.
• Discord and Slack embeds — Free Discord caps uploads at 10 MB and Slack's free workspace at 1 GB total storage; trimming a 12 MB reaction GIF to a 400 KB WebM means it actually attaches.
• Color fidelity for screen recordings and photos — GIF banding from 256-color quantization wrecks gradients, skin tones, and anti-aliased text. WebM keeps full 24-bit color, so UI screencasts and product demos stay readable.
• Transparent overlays — VP9 supports an alpha channel, so transparent GIFs (1-bit binary mask) become WebM with smooth anti-aliased edges. Useful for overlay animations on dark and light themes.
• GitHub README demos — GitHub now plays inline WebM in repo READMEs and issues. A 30 MB GIF demo becomes a 1-2 MB WebM that doesn't blow past GitHub's 10 MB image size guidance.

GIF vs WebM vs MP4 — Format Comparison

VP8 vs VP9 — Codec Quick Guide

Telegram Sticker Cheat Sheet

For Telegram stickers, set Preset Resolution to 512×512 (or 512 × shorter), pick Constant Quality under File Compression, and trim the source GIF to ≤3 seconds before upload if needed.

Frequently Asked Questions

How much smaller will my WebM be compared to the original GIF?

For typical animated content, expect 5-15× smaller — a 5 MB GIF usually lands at 300-700 KB as VP9 WebM, and a 30 MB screencast GIF often falls under 2 MB. The savings are biggest for clips with smooth motion, gradients, or photo-realistic frames (where GIF's 256-color palette and lack of inter-frame compression hurt most). Pixel art or 2-color animations close the gap, but WebM still wins.

Should I pick VP8 or VP9?

VP9 by default — it's roughly 50% more efficient at the same visual quality and is the only codec Telegram accepts for video stickers. Choose VP8 only if you specifically need the fastest possible encode or are targeting very old Android hardware that lacks VP9 decode. Both support transparency.

Will the WebM loop automatically like a GIF does?

WebM has no built-in loop flag — looping is controlled by the embedding context. In HTML, add the loop attribute: <video autoplay loop muted playsinline src="anim.webm">. Telegram, Discord, and most chat clients loop video stickers automatically.

Does WebM keep my GIF's transparent background?

Yes if the source GIF uses transparency and you keep VP9 (the default). VP9 supports a full alpha channel, so the binary 1-bit transparency of GIF is preserved and even improved — anti-aliased edges that GIF couldn't represent now render smoothly. If you need to flatten transparency for a player that ignores alpha, convert to MP4 instead.

Do all browsers play WebM?

Roughly 95% of global traffic per caniuse.com. Chrome (25+), Firefox (28+), and Edge (79+) have had it for years. Desktop Safari added support in 16.0 (2022), and iOS Safari only at 17.4 (March 2024). For audiences with significant iOS <17.4 share, use a <picture>-style fallback: <video><source src="anim.webm"><source src="anim.mp4"></video> so older Safari falls through to MP4.

Can I make a Telegram video sticker directly from a GIF?

Yes — set resolution to 512×512 (or 512 × the shorter side), use VP9 with Constant Quality at the highest setting that fits under 256 KB, and ensure your source GIF is 3 seconds or less. Telegram's encoder also strips audio, so the no-audio rule isn't a worry for GIF sources (GIF has no audio). If the output is too large, drop the quality preset one step or scale resolution down to 480 px.

What's the difference between Quality Preset, Constant Quality, and Constraint Quality?

Quality Preset picks a balanced quality/size target — "Very High" is the default and works for most embeds. Constant Quality locks visual quality (CRF-style) and lets file size float — best when you care about consistent appearance across clips. Constraint Quality caps the bitrate but lets the encoder spend less on easy frames — best when you have a hard ceiling like Telegram's 256 KB.

Why is my converted WebM still large?

Three usual culprits: source GIF is too long (a 30-second GIF at 30 FPS is 900 frames no matter the codec), resolution is high (a 1080p GIF stays heavy as WebM — try scaling to 720p or 480p with Resolution Percentage), or quality is set too aggressive. Drop one step of quality, halve the resolution, or shorten the clip before converting. You can also re-trim the output WebM with Video Cutter to clip a few extra frames.

Can I convert WebM back to GIF if needed?

Yes — use the reverse WebM to GIF converter. Expect the file to balloon 5-15× since you're going back to the inefficient LZW container. Only do the round-trip if a downstream tool truly can't accept WebM.

Is there a file count or size limit?

No fixed per-file cap on this tool, but very large GIFs (hundreds of MB) take longer to upload and convert. For batch jobs, queue files in groups of 5-10 for the smoothest experience.