Compress video for YouTube
Upload to YouTube faster without a giant file. This preset re-encodes to an efficient, upload-friendly MP4 (up to 1080p) — all in your browser.
Drop a video here, or browse
MP4 · MOV · WebM — compressed right here, nothing uploaded
100% on-device · no signup · no watermark
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Bigger files take longer — your CPU does the work, privately.
YouTube doesn’t need a tiny file — it needs an efficient one
YouTube accepts files up to 256 GB, so size isn’t the blocker — upload time and storage are. A phone or screen recording is often far larger than it needs to be. Re-encoding to an efficient H.264 MP4 cuts upload time without YouTube noticing a quality difference, because YouTube re-encodes everything on its side anyway.
The YouTube preset keeps your resolution up to 1080p and uses a quality-targeted encode rather than a hard size cap, so you get a smaller upload that still looks sharp.
Great for Shorts and quick uploads
For YouTube Shorts and quick mobile uploads, a leaner file means it’s ready to post in seconds even on slow connections. Trim first if you only need a clip.
Frequently asked questions
Does compressing hurt YouTube quality?
Barely — YouTube re-encodes every upload on its servers, so a well-encoded H.264 MP4 from this tool looks the same after processing while uploading much faster.
What’s the best format to upload to YouTube?
An H.264 MP4 with AAC audio is the safe, universally accepted choice — exactly what this compressor outputs.
Is there a size limit for YouTube?
YouTube allows up to 256 GB or 12 hours. The real benefit of compressing is faster upload and less storage, not fitting a cap.
Is my video uploaded to your server?
No. It’s compressed locally in your browser and only you upload the result to YouTube.