# Threads Video Size and Specs 2026

Every upload spec at a glance, with sources.

URL: https://shortformkit.com/threads-video-size/
Updated: 2026-10-12

**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 ratio | 9:16 |
|---|---|
| Maximum length | 5 minutes |
| Maximum file size | 1 GB |
| File types | MOV, MP4 |
| Maximum frame rate | 60 fps |
| Caption limit | 500 characters |
| Hashtag limit | 1 |

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](https://shortformkit.com/safe-zone-checker/) or download the [safe zone templates](https://shortformkit.com/safe-zone-templates/) as PNG.

Work out bitrate and file size with the [file size calculator](https://shortformkit.com/video-file-size-calculator/). Check caption length with the [character counter](https://shortformkit.com/character-counter/).

## Changes in 2025 and 2026

- 2025-09-04: text attachments of up to 10,000 characters can be added to a post (base post limit stays 500).

## Sources

- [Threads API overview, media specifications (Meta for Developers)](https://developers.facebook.com/docs/threads/overview) (official)
- [Introducing Threads (Meta Newsroom, 2023)](https://about.fb.com/news/2023/07/introducing-threads-new-app-text-sharing/) (official)
- [Tag a topic in your post on Threads (Instagram Help Centre)](https://help.instagram.com/1356090605000312) (official)
- [Attach Text to Your Threads Posts (Meta Newsroom, 2025-09-04)](https://about.fb.com/news/2025/09/attach-text-threads-posts-share-longer-perspectives/) (official)

Checked: 2026-10-13. Confidence: official. [All platforms in one table: social media video specs 2026](https://shortformkit.com/social-media-video-specs-2026/)

## Other Threads formats

- [Threads Image](https://shortformkit.com/threads-image-size/)

## 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.


Source: Shortform Kit (https://shortformkit.com/threads-video-size/). Free, no login.