TikTok Thumbnail Size: Exact Dimensions & Cover Image Specs
TL;DR - Quick Answer
18 min readComprehensive guide with practical insights you can apply today.
Quick answer: TikTok thumbnails (cover images) are 1080 x 1920 pixels with a 9:16 aspect ratio. On your profile grid, they display at a cropped 3:4 ratio (center portion only). You select a frame from your video, you can't upload a separate image.
Related guides: For full video specs see our TikTok video size guide. Creating TikTok content? Try our TikTok video idea generator or browse all TikTok tools.
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TikTok Thumbnail Size Reference
TikTok Thumbnail Sizes Cheat Sheet
š¼ļø Thumbnail / Cover Image
- Dimensions: 1080 x 1920 pixels
- Aspect Ratio: 9:16 (vertical)
- Source: Frame from your video
- Custom upload: Not supported
š± Profile Grid Display
- Grid crop: ~3:4 ratio
- Visible area: ~1080 x 1440 pixels
- Cropped: Top and bottom (~240px each)
- Text safe zone: Center 80% of frame
Thumbnail Specs
- Full dimensions: 1080 x 1920 pixels (matches your video)
- Aspect ratio: 9:16
- Profile grid crop: ~3:4 (center portion visible)
- Resolution: Match your video resolution, 1080p recommended
- Source: Frame from your video only
š§ Quick Quiz
Question: Can you upload a custom image as a TikTok thumbnail (like on YouTube)?
A) Yes, any image
ā That's YouTube. TikTok only lets you pick a frame from your video. You can't upload a separate image.
B) No, only a frame from your video
ā Correct! TikTok requires you to select a frame from your video. You can add text overlay to that frame, but you can't upload a separate image like YouTube allows.
How TikTok Thumbnails Work
Unlike YouTube, TikTok doesn't support custom image uploads for thumbnails. Here's how it works:
- Default: TikTok auto-selects a frame from your video
- Custom selection: You pick a specific frame during upload
- Cover text: You can add text overlay to your selected frame
- Edit later: You can change the thumbnail after posting
Profile Grid Cropping
When someone visits your profile, each video thumbnail gets cropped from 9:16 to approximately 3:4. That means:
- Top ~240 pixels get cut off
- Bottom ~240 pixels get cut off
- Center ~1080 x 1440 pixels remain visible
Your thumbnail text and key visuals need to be in the vertical center of the frame. Anything at the very top or bottom won't show on your profile.
Where Thumbnails Appear
| Placement | Display | Crop |
|---|---|---|
| Profile grid | Small tile (~3:4) | Top & bottom cropped |
| Search results | Small tile (~3:4) | Top & bottom cropped |
| For You page | Full 9:16 (auto-plays) | None |
| Following page | Full 9:16 (auto-plays) | None |
| Saved / Favorites | Small tile (~3:4) | Top & bottom cropped |
| Shared links | Preview card | Center-cropped |
On the For You and Following pages, videos auto-play. Thumbnails matter most for profile views, search results, and saved collections.
How to Set a Custom Thumbnail
During Upload
- Record or upload your video
- On the post screen, tap "Select cover"
- Scrub the timeline to pick a frame
- Optionally tap "Add text" for cover text
- Tap "Save"
After Posting
- Go to the video on your profile
- Tap the three dots menu
- Select "Edit video"
- Tap "Select cover"
- Choose a new frame and save
Adding Cover Text
TikTok's built-in cover text tool lets you add a title directly on your thumbnail:
- Only appears on the thumbnail, not in the video
- You control font, color, size, and position
- Great for adding context that makes people tap
š§ Quick Quiz
Question: Where should you place text on a TikTok thumbnail for it to be visible on your profile grid?
A) At the very top of the frame
ā The top ~240 pixels get cropped off on your profile grid. Text placed there won't be visible.
B) In the vertical center (middle 80%)
ā Correct! The profile grid crops from 9:16 to ~3:4, cutting the top and bottom. Keep text in the center 80% of the frame to make sure it shows up.
C) At the very bottom
ā The bottom ~240 pixels also get cropped on the profile grid, just like the top.
TikTok vs YouTube Thumbnails
| Feature | TikTok | YouTube |
|---|---|---|
| Size | 1080 x 1920 (9:16) | 1280 x 720 (16:9) |
| Custom image upload | No (frame from video) | Yes (separate image) |
| Text overlay | Built-in text tool | Must be part of image |
| Orientation | Vertical | Horizontal |
| Grid crop | ~3:4 center crop | No crop |
Design Do's and Don'ts
Do
- Choose frames with clear facial expressions
- Keep text in the center 80% of the frame
- Use large, bold text for cover titles
- Pick bright, high-contrast frames
- Plan a "thumbnail moment" while filming
- Keep consistent styling across your grid
Avoid
- Blurry or motion-heavy frames
- Text at the very top or bottom
- Small text unreadable at grid size
- Dark, low-contrast frames
- Mid-blink or unflattering expressions
- Leaving the default auto-selected frame
Planning Thumbnail-Friendly Content
Since thumbnails must come from a video frame, plan ahead while filming:
- Start or end with a title card, hold still for 1-2 seconds so you get a clean frame
- Use props or visual hooks that look compelling as a still image
- Show the result first for tutorial or transformation content
- Face the camera with expression during at least one moment
- Hold key poses briefly so you have sharp, non-blurry frames to choose from
Related TikTok Guides & Tools
Size guides:
- TikTok Video Size Guide - Full video dimensions, formats, and specs
- Social Media Video Sizes Guide - Video dimensions for all platforms
- Social Media Image Sizes Guide - Image dimensions for all platforms
Tools:
- TikTok Video Idea Generator - Get content ideas for your next video
- TikTok Caption Generator - Write engaging captions
- TikTok Profile Picture Generator - Create a profile picture
- All TikTok Tools - Full TikTok marketing toolkit
Frequently Asked Questions
What size is a TikTok thumbnail?
1080 x 1920 pixels (9:16), matching the video dimensions. On your profile grid and in search results, it displays at a cropped ~3:4 ratio showing the center of the frame.
Why does my thumbnail look different on my profile?
Your profile grid crops thumbnails from 9:16 to ~3:4. The top and bottom of the frame get cut off. Keep important text and visuals in the vertical center.
Can I change a thumbnail after posting?
Yes. Tap the three dots on your video, select "Edit video," then "Select cover." Choose a different frame and add or change cover text. Updates immediately.
Do thumbnails affect video performance?
Not on the For You page (videos auto-play there). But thumbnails matter for views from your profile, search results, and saved collections. A good thumbnail increases the chance someone taps on an older video from your grid.
Can I upload a separate image as my TikTok thumbnail?
No. Unlike YouTube, TikTok only lets you select a frame from your video as the thumbnail. You cannot upload a separate image. You can add text overlay to your selected frame using TikTok's built-in cover text tool.
How much of my thumbnail gets cropped on the profile grid?
About 240 pixels from the top and 240 pixels from the bottom get cropped. The visible area on your profile grid is roughly the center 1080 x 1440 pixels of your 1080 x 1920 frame. Keep all important content in the middle 80% of the frame.
What is TikTok cover text?
Cover text is a title you can add directly to your thumbnail using TikTok's built-in text tool. It only appears on the thumbnail, not in the video itself. You can choose the font, color, and position. It's useful for adding context so people know what the video is about before tapping.
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