Compress Video for X (Twitter)
X (Twitter) accepts videos up to 512MB and 2 minutes 20 seconds, then re-encodes them. Compressing first means faster uploads and fewer failed posts on mobile data — all done locally in your browser.
X / Twitter video limits
X documents limits of 512MB and 140 seconds for standard accounts. Premium subscribers can upload longer and larger videos on supported clients. This preset focuses on a smaller transfer while retaining a broadly compatible H.264 MP4.
Sources: X video upload requirements · Reviewed 2026-06-13
Frequently asked questions
- What video size and length does X allow?
- Up to 512MB and 2 minutes 20 seconds for standard accounts. Trim to length first, then compress to keep the upload fast and reliable.
- Will compressing hurt how my video looks on X?
- Any lossy compression can reduce quality. Use a larger target for detailed or long clips, and preview the result before posting.