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Video Files - Specifications Guide
Video Files - Specifications Guide

An overview of video file types and recommended sizes

Michael Buckley avatar
Written by Michael Buckley
Updated over a week ago

Supported File Types


File Size

While file sizes up to 1GB are currently supported, we recommend making your files as compact as possible. We recommend using H.264 codec encoded as a .mp4 file-type in order to optimize Video files before uploading.

For the the "Not as tech savvy" people

If you don't want to get too bogged down in the technical details, we recommend running your videos through commonly available video compression tools/websites and saving at .mp4.

ClipChamp (paid for HD)

Clideo (paid)

For the "Tech is my life" people


H.264 is a standard codec that balances high visual quality with efficient file size. It's a great starting point for encoding your videos as it ensures you'll get the most out of your upload quota while minimizing upload and conversion times.


Videos come in many resolutions but these are some of the most common formats. We recommend compressing your video with a pixel aspect ratio of 1:1, or square pixels.


Resolution (px)

Standard Definition (SD)
4:3 aspect ratio

640 × 480

Standard Definition (SD)
16:9 aspect ratio

640 × 360

720p HD
16:9 aspect ratio

1280 × 720

1080p HD
16:9 aspect ratio

1920 × 1080

16:9 aspect ratio

2560 × 1440

Data rate: 320 kbit/s

For best results, encode your audio at constant rate of 320 kbit/s.

Handy Encoding Guides from Vimeo

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