shortformkit

Threads Video Size and Specs 2026

Every upload spec at a glance, with sources.

Threads Video 2026: aspect ratio 9:16, up to 5 minutes, files up to 1 GB, caption up to 500 characters, up to 1 hashtags.

All specs

Aspect ratio9:16
Maximum length5 minutes
Maximum file size1 GB
File typesMOV, MP4
Maximum frame rate60 fps
Caption limit500 characters
Hashtag limit1

Notes (from the sources, in English): Threads API: MOV/MP4, HEVC or H.264, 23 to 60 fps, max 1920 px wide, aspect ratio 0.01:1 to 10:1 (9:16 recommended), 100 Mbps max, 5 min, 1 GB. Meta launch post also says videos up to 5 minutes. Posts 500 characters; since September 2025 a text attachment of up to 10,000 characters can be added. One topic tag per post (up to 50 characters), stored here as hashtag_limit.

In 9:16 the app covers parts of the top and bottom of your video. Check your frame with the safe zone checker or download the safe zone templates as PNG.

Work out bitrate and file size with the file size calculator. Check caption length with the character counter.

Changes in 2025 and 2026

Sources

Checked: 2026-10-13. Confidence: official. All platforms in one table: social media video specs 2026

Other Threads formats

FAQ

What size is a Threads Video?

The aspect ratio is 9:16.

How long can a Threads Video be?

Up to 5 minutes.

What is the maximum file size for a Threads Video?

Up to 1 GB.

How long can the caption of a Threads Video be?

Up to 500 characters.

How many hashtags can a Threads Video have?

Up to 1.

More free tools

Last updated: 2026-10-12 · by Diego Brügger, Senior video editor, Zürich