CapCut mobile · X (Twitter)

CapCut mobile export settings for X (Twitter).

1920 x 1080 at 30 fps, H.264, 8 Mbps and AAC 192 kbps: here is why, and exactly where each setting lives in CapCut (iPhone and Android).

CapCut mobile to X (Twitter)

Official

Resolution: 1920 x 1080
Frame rate: 30 fps, constant
Codec: H.264
Bitrate: Bitrate preset: target 8 Mbps (8000 kbps), max 12 Mbps
Keyframes: Automatic (no setting in CapCut mobile)
Audio: AAC-LC, default bitrate, 48 kHz, stereo
Colour: Rec. 709 (BT.709), 8-bit 4:2:0, limited (TV) range
Container: MP4 with Fast Start (moov atom at the front)

X recommends at least 5,000 kbps video and 128 kbps audio.

Estimated size: 124.1 MB for 2:00.

CapCut mobile offers bitrate levels, not a number; pick the highest level for 1080p.

Change resolution or fps File size

Step by step in CapCut mobile

1Tap the resolution label next to Export at the top right (for example 1080P).
2Resolution: 1080p.
3Frame rate: 30.
4Bitrate (code rate): pick the highest level offered for 1080p. CapCut mobile has no number field, so this is the closest to 8 Mbps.
5Leave Smart HDR off unless your clips were shot in HDR.
6Tap Export, then save to your phone (not straight to the app) so you keep a copy.

Bitrate at other resolutions

Same settings, different size or frame rate.

Resolution	30 fps	60 fps
720p	5 Mbps, level 3.1	7.5 Mbps, level 3.2
1080p	8 Mbps, level 4.0	12 Mbps, level 4.2

X (Twitter) upload limits

Each value links to where it was published.

Aspect ratio

16:9 (landscape or portrait) or 1:1 recommended; API accepts 1:3 to 3:1, pixel aspect 1:1 Best practices (X API media), checked 2026-10-25

Resolution

Recommended 1280x720 (landscape), 720x1280 (portrait), 720x720 (square). Premium uploads up to 1080p; videos over 2 h must be 720p Best practices (X API media), checked 2026-10-25

Frame rate

30 or 60 fps recommended; 60 fps or less required Best practices (X API media), checked 2026-10-25

Video codec

H.264 High Profile; YUV 4:2:0 only; progressive scan; no open GOP Best practices (X API media), checked 2026-10-25

Container

MP4 recommended (API best practices). Help page only says you are prompted if the format is unsupported Best practices (X API media), checked 2026-10-25

Bitrate

Video at least 5,000 kbps; audio at least 128 kbps (recommended minimums). X may lower resolution and bitrate when streaming Best practices (X API media), checked 2026-10-25

Max file size

512 MB without a subscription; 16 GB for Premium / X Subscription (Plus, Premium, Super, Ultra)

Free account: 512 MB
X Premium / subscription: 16 GB

How to share and watch videos on X | X Help Center, checked 2026-10-25

Max length

140 seconds without a subscription; Premium up to 4 hours on x.com and iOS, 10 minutes on Android Longer videos for X Premium subscribers | X Help Center, checked 2026-10-25

Min length

At least 0.5 seconds (API) Best practices (X API media), checked 2026-10-25

Audio

AAC LC (HE-AAC not supported), mono or stereo (not 5.1) Best practices (X API media), checked 2026-10-25

Captions

Viewers can turn captions on (CC on web, Closed Captions on iOS, Captions on Android) How to share and watch videos on X | X Help Center, checked 2026-10-25

Common mistakes

Uploading HDR (10-bit PQ/HLG) to X (Twitter). There is no published HDR path, so colours can look washed out; export SDR Rec. 709.
Leaving phone footage at a variable frame rate. Export at a constant 30 fps, or audio drifts and motion stutters after X (Twitter) re-encodes it.
Going over the length limit. X (Twitter): 140 seconds without a subscription; Premium up to 4 hours on x.com and iOS, 10 minutes on Android.
CapCut mobile only offers bitrate levels, not a number. For a strict size cap, export, then compress with HandBrake on a computer.
Higher frame rates can lower the maximum resolution offered.

For comparison, YouTube publishes 8 Mbps for 1080p at 30 fps. Example length used for sizes: 2:00.

Frequently asked questions

What bitrate should I export from CapCut mobile for X (Twitter)?

For 1080p at 30 fps use about 8 Mbps (8000 kbps), VBR, 1 pass, with a maximum of 12 Mbps. X recommends at least 5,000 kbps video and 128 kbps audio.

What resolution and frame rate should I use for X (Twitter)?

1920 x 1080 at 30 fps is a safe choice. X (Twitter): Recommended 1280x720 (landscape), 720x1280 (portrait), 720x720 (square). Premium uploads up to 1080p; videos over 2 h must be 720p. Frame rate: 30 or 60 fps recommended; 60 fps or less required.

What is the maximum file size and length on X (Twitter)?

File size: 512 MB without a subscription; 16 GB for Premium / X Subscription (Plus, Premium, Super, Ultra). Length: 140 seconds without a subscription; Premium up to 4 hours on x.com and iOS, 10 minutes on Android.

Which codec should I pick in CapCut mobile for X (Twitter)?

H.264, profile High, level 4.0, in an MP4 file. X (Twitter) lists: H.264 High Profile; YUV 4:2:0 only; progressive scan; no open GOP.

Can I export HDR from CapCut mobile to X (Twitter)?

X (Twitter) has no published HDR upload path, so export SDR Rec. 709.

CapCut mobile for other platforms

Other editors for X (Twitter)

Hubs and tools

Shinel Studios

Rather send the footage and get X (Twitter)-ready edits back?

Our editors cut, caption, colour and export to each platform's spec, with 2 revision rounds. Shorts come back in 48-72 hours, long videos in 5-10 days.

See video editing Prices