Reduce Video Size for Email Attachments — Free Online
Gmail, Outlook, and Yahoo all cap attachments at 20–25 MB. Our email preset compresses to 854px width at CRF 30 — enough for clear screen viewing at a fraction of the original size. Your file is processed securely and deleted after 1 hour.
Drag & drop your file
or browse your files
≤ 25 MB · Recommended preset
How it works
Select your video
Drop or browse a video file. MP4, MOV, AVI, MKV and WebM supported.
We compress it securely
Your file is processed on our servers and automatically deleted after 1 hour.
Download the result
Get your lighter video instantly, ready to share.
Frequently asked questions
What are email attachment size limits?
Gmail: 25 MB. Outlook: 20 MB. Yahoo Mail: 25 MB. Apple Mail: depends on provider but typically 20–25 MB.
What is the best video format for email?
MP4 with H.264 codec is universally supported and produces the smallest file size for email sharing.
How much can I compress a video without losing quality?
For email viewing on screen, CRF 30 with 854px width gives a good balance. Most 1–2 minute videos will compress under 20 MB.
Should I compress or use a sharing link instead?
For videos over 2 minutes, a Google Drive or WeTransfer link is better. For short clips under 2 minutes, compression works well.