X (Twitter) specifications

Find current X specifications for profiles, headers, posts, videos and ads. Compare dimensions, aspect ratios, file formats and source guidance.

16 specifications 13 official 3 recommended

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Showing 16 specifications

Profile Photo

Official
Dimensions400×400
Aspect ratio1:1
FormatImage
File typeJPG, PNG, GIF
File sizeUp to 2MB
Status Official specification
Reviewed
NotesX recommends 400×400px. The image is displayed as a circle in many placements.

Header (Cover) Photo

Official
Dimensions1500×500
Aspect ratio3:1
FormatImage
File typeJPG, PNG, GIF
File sizeUp to 5MB
Status Official specification
Reviewed
NotesX recommends 1500×500px and notes that roughly 60px can be cropped from the top and bottom on some displays.

In-Feed Image (All ratios)

Recommended
Dimensions1600×900
Aspect ratio1.91:1
FormatImage
File typeJPG, PNG
File sizeUp to 5MB
Status Recommended canvas
Reviewed
NotesRecommended landscape canvas. X displays a single image in full when its ratio is between 2:1 and 3:4; square and portrait canvases are also supported.

In-Feed Video

Recommended
Dimensions1600×900
Aspect ratio16:9
FormatVideo
File typeMP4, MOV
File size512MB standard; up to 16GB with Premium
SettingsAudio codec: AAC LC (low complexity). Video codec recommendation: H264, Baseline, Main, or High Profile with a 4:2:0 color space.
Status Recommended canvas
Reviewed
NotesRecommended 16:9 canvas. Standard accounts support up to 512MB; eligible Premium uploads can be larger and longer.

Website Card Image

Recommended
Dimensions800×418
Aspect ratio1.91:1
FormatImage
File typeJPG, PNG
File sizeUp to 5MB
Status Recommended canvas
Reviewed
NotesRecommended 1.91:1 link-card canvas. X publishes 800×418px for Website Card ads, but not as a universal organic link-preview requirement.

Standalone Image Ad

Official
PlacementPromoted Ads
Dimensions1200×1200
Official listing1200×1200 (1:1) or 1200×628 (1.91:1)
Aspect ratio1:1
Supported ratios4:5 – 2:3 – 1:1 – 1.91:1 – 16:9 – 9:16
FormatImage
File typeJPG, PNG
File sizeUp to 5MB
Text Primary: 280 characters; links use 23 characters
Requirements
  • PNG or JPEG recommended
  • BMP and TIFF are not accepted
  • GIF uploads render as static images
Status Official specification
Reviewed
NotesUse the highest-quality asset that meets the published requirements.

Image Ad with Website Card

Official
PlacementPromoted Ads
Dimensions800×418
Aspect ratio1.91:1
Supported ratios4:5 – 2:3 – 1:1 – 1.91:1 – 16:9 – 9:16
FormatImage
File typeJPG, PNG
File sizeUp to 5MB
Text Primary: 280 characters; links use 23 characters Headline: 70 characters; 50 helps avoid truncation
Requirements
  • URL must begin with http:// or https://
Status Official specification
Reviewed
NotesUse the highest-quality asset that meets the published requirements.

Image Ad with App Button

Official
PlacementPromoted Ads
Dimensions800×800
Aspect ratio1:1
Supported ratios4:5 – 2:3 – 1:1 – 1.91:1 – 16:9 – 9:16
FormatImage
File typeJPG, PNG
File sizeUp to 5MB
Text Primary: 280 characters; links use 23 characters
Requirements
  • App title is pulled from the app store and may truncate at 200 characters
Status Official specification
Reviewed
NotesUse the highest-quality asset that meets the published requirements.

Standalone Video Ad

Official
PlacementPromoted Ads
Dimensions1920×1080
Aspect ratio16:9
Supported ratios4:5 – 2:3 – 1:1 – 1.91:1 – 16:9 – 9:16
FormatVideo
File typeMP4, MOV
File sizeUp to 1GB; under 30MB recommended
Duration15 seconds or less recommended; up to 2:20 supported
SettingsH.264, 4:2:0; AAC LC; 29.97 or 30fps recommended, up to 60fps; 6–10Mbps for 1080p
Requirements
  • Closed captions or text overlays strongly recommended
  • Videos under 60 seconds loop
Status Official specification
Reviewed
NotesUse the highest-quality asset that meets the published requirements.

Vertical Video Ad

Official
PlacementImmersive Media Viewer
Dimensions1080×1920
Aspect ratio9:16
Supported ratios9:16 – 4:5 – 2:3 – 1:1 – 1.91:1 – 16:9
FormatVideo
File typeMP4, MOV
File sizeUp to 1GB
Minimum720×1280 pixels
DurationUnder 15 seconds recommended; up to 2:20 supported
SettingsMaximum 60fps; maximum 25Mbps; target 5–10Mbps; H.264 and AAC LC
Status Official specification
Reviewed
NotesUse the highest-quality asset that meets the published requirements.

Amplify Pre-roll

Official
PlacementX Amplify
Dimensions1200×1200
Aspect ratio1:1
Supported ratios1:1 – 9:16 – 16:9
FormatVideo
File typeMP4, MOV
File sizeUp to 1GB
Minimum600×600 at 1:1; 640×360 for non-square
Duration15 seconds or less recommended; up to 2:20
SettingsH.264; AAC LC; 29.97 or 30fps recommended; 6–10Mbps at 1080p
Status Official specification
Reviewed
NotesUse the highest-quality asset that meets the published requirements.

Amplify Sponsorship Video

Official
PlacementX Amplify
Dimensions1200×1200
Aspect ratio1:1
Supported ratios1:1 – 16:9
FormatVideo
File typeMP4, MOV
File sizeUp to 1GB
Minimum600×600 at 1:1; 640×360 for non-square
Duration6 seconds or less recommended; up to 2:20
Status Official specification
Reviewed
NotesThe best ratio depends on publisher content; portrait video may be cropped to 1:1 in feed.

Spotlight Takeover

Official
PlacementExplore
Dimensions1280×720
Aspect ratio16:9
FormatImage + Video
File typeStatic image, MP4, GIF
File sizeImage up to 5MB; GIF up to 15MB
Text Headline: Trend name: 20 characters Description: Trend description: 30 characters
Requirements
  • Provide 3–6 companion Promoted Ads
  • Creative is delivered as a dark post; card formats are not accepted
Status Official specification
Reviewed
NotesUse the highest-quality asset that meets the published requirements.

X Live Stream

Official
PlacementX Live
Dimensions1280×720
Official listing1280×720 recommended; 1920×1080 maximum
Aspect ratio16:9
FormatVideo
File typeRTMP stream
SettingsH.264/AVC; 9Mbps recommended, 12Mbps maximum; AAC-LC; 30fps recommended, 60fps maximum
Text Description: Event page description: 280 characters
Requirements
  • OBS keyframe interval: every 3 seconds
  • Event carousel supports up to 5 videos
Status Official specification
Reviewed
NotesUse the highest-quality asset that meets the published requirements.