YouTube Shorts Thumbnail Size: 1080 x 1920 9:16 Cover Frame
Use 1080 x 1920 px as the practical YouTube Shorts thumbnail and cover-frame size for a vertical 9:16 source. Shorts can use frame selection, account-dependent custom uploads, and different feed crops, so do not apply regular 16:9 thumbnail rules before checking the workflow.
Last checked: August 9, 2026. Based on YouTube Help and YouTube Blog. ImageSizeKit is not affiliated with YouTube or Google.
Shorts thumbnail size answer
The practical YouTube Shorts thumbnail size is 1080 x 1920 px at 9:16. Use it for vertical Shorts cover frames, then check the exported file before using regular 16:9 YouTube thumbnail rules.
First check
Need the exact Shorts size
Use 1080 x 1920 px as the practical 9:16 Shorts cover-frame source.
Read quick answerFirst check
Already exported the image
Check whether the file is actually 9:16 before treating it as a YouTube Shorts frame.
Check exported frameFirst check
Might be a normal thumbnail
Use the 16:9 thumbnail checker only when this is a regular long-form video thumbnail.
Compare 16:9 checkerAI answer card
Quick answer
- Best size
- 1080 x 1920 px for a practical 9:16 Shorts cover frame
- Best ratio
- 9:16 for vertical Shorts frames; 16:9 only for standard long-form thumbnails
- Use when
- Use this page when you are planning the visible frame inside a YouTube Short or trying to understand why Shorts thumbnail rules differ from regular custom thumbnails.
- Avoid
- Avoid assuming that a standard 16:9 custom thumbnail upload, Shorts custom upload access, and frame selection behave the same for every account.
- Check with
- Shorts frame checker
- Last checked
- August 9, 2026
- Source boundary
- Based on YouTube Help notes and YouTube's July 2026 Shorts thumbnail update. ImageSizeKit is independent and is not affiliated with YouTube or Google.
Asset routing shortcuts
Choose the right image workflow before editing again
If the exported file no longer fits this exact YouTube task, route it by publishing surface first. Use the image checker for raw file facts, the social checker for cross-platform reuse, the YouTube image hub for broad channel assets, the thumbnail text guide when the words fail small previews, or the Open Graph preview checker when the image belongs to a website share card.
Read an exported file
Image Size Checker
Use this when you already have a file and need width, height, ratio, file size, format, and the nearest publishing workflow.
Check image dimensionsRoute a social image
Social Media Image Checker
Use this when one export might become an Instagram, LinkedIn, Facebook, Open Graph, ecommerce, or creator image.
Open social checkerChoose the YouTube asset
YouTube Image Sizes Hub
Start here when the image might be a thumbnail, Shorts frame, banner, profile picture, watermark, podcast cover, or Community post.
Open YouTube Image Sizes hubFix readable thumbnail text
YouTube Thumbnail Text
Use this when the image passes dimensions but the hook is too long, text is too small, contrast is weak, or the timestamp covers key words.
Open thumbnail text guideCheck a wide banner
Banner Size Checker
Use this when the export is wide enough to be channel art, a cover photo, a profile header, a Page banner, or another social banner.
Open banner checkerPreview a website share card
Open Graph Preview Checker
Use this when the image is already attached to a page URL and the social preview crop, cache, or metadata needs checking.
Open Open Graph preview checkerRelated repair and reuse routes
Open the next task before redesigning the image
A valid image can still need a format choice, crop repair, text readability check, template source, broader YouTube asset route, wide banner checker, or marketplace-specific size check. Pick the next task from the actual publishing problem.
Thumbnail repair routes
Use these when a standard thumbnail already has a visible problem after export.
Choose thumbnail format
JPG vs PNG for YouTube Thumbnails
Use this when the thumbnail has photos, screenshots, logos, or text and the export needs a deliberate JPG or PNG choice before compression.
Convert thumbnail size
YouTube Thumbnail Size Converter
Use this when the file is square, vertical, 4:3, too small, or needs a clean 3840 x 2160, 1920 x 1080, or 1280 x 720 export.
Fix thumbnail text
YouTube Thumbnail Text
Use this when the dimensions pass but the hook is too long, text is too small, contrast is weak, or the timestamp area blocks key words.
Reusable asset routes
Use these when the image is becoming a broader creator, template, or marketplace asset.
Open templates
Image Size Templates
Use this when you need reusable safe-area overlays, SVG source files, PNG references, and public template download paths.
Choose YouTube asset type
YouTube Image Sizes
Use this when the image may be a thumbnail, Shorts frame, banner, profile picture, watermark, podcast cover, or Community post.
Check Whatnot image
Whatnot Image Size
Use this when a creator graphic is being reused for Whatnot seller profiles, cover images, show thumbnails, or listing photos.
Publishing decision hubs
Use these when a broad image question needs to become the right platform, upload, resize, or cross-platform route.
Choose social platform size
Social Media Image Sizes
Use this hub when one image may need Instagram, Facebook, LinkedIn, Open Graph, marketplace, ecommerce, or creator-platform guidance.
Run final upload checklist
YouTube Thumbnail Pre-upload Checklist
Use this when the YouTube thumbnail file is exported and needs a final dimensions, 16:9 ratio, file-size, format, and readability gate.
Convert 16:9 thumbnail size
YouTube Thumbnail Size Converter
Use this when a thumbnail draft is square, vertical, 4:3, too small, too large, or needs a clean 1280 x 720, 1920 x 1080, or 3840 x 2160 export.
Vertical cover and share-card routes
Use these when a thumbnail concept is being reused as a vertical cover or a website preview image.
Check Reel cover
Instagram Reel Cover Size
Use this when a Shorts frame or thumbnail concept becomes a 9:16 Reel cover and needs profile-grid crop checks.
Route social image
Social Media Image Checker
Use this when the same export might become an Instagram, LinkedIn, Facebook, Open Graph, ecommerce, or creator image.
Adapt share card
Open Graph Image Size
Use this when a thumbnail-like visual needs a 1200 x 630 website share-card export instead of a video thumbnail.
Check a Shorts thumbnail frame
Upload an exported vertical image and compare it with the practical 1080 x 1920 Shorts cover-frame target before opening the standard 16:9 thumbnail checker.
Drop an exported image here or choose a file.
The check runs locally in your browser and compares the file to this page's target sizes.
Start with a YouTube Shorts cover frame: 1080 x 1920. Press Check sample to see the result path, then upload the final file for exact file-size evidence.
Canonical YouTube Shorts checker result action map
Use this map after checking the exported Shorts frame. It turns the result into one next action: keep the 9:16 frame, use frame selection when custom upload is unavailable, switch to the 16:9 thumbnail checker, compare Reel and social reuse, or adapt the idea into an Open Graph share card.
9:16 frame is ready
Review Shorts placement
Keep the 1080 x 1920-style export and preview the Shorts upload or frame-selection flow before publishing.
Custom upload is not available
Use frame selection
Use frame selection and keep the strongest title, face, product, or hook centered inside the video.
File is actually 16:9
Open 16:9 checker
Switch to the standard YouTube thumbnail checker instead of forcing a wide image into Shorts rules.
Reel or social reuse is planned
Compare Reel cover
Compare Instagram Reel cover and social checker routes before cross-posting the same vertical image.
Share-card adaptation is planned
Adapt to OG image
Redesign the vertical idea as a 1200 x 630 Open Graph image before using it for a website URL preview.
Route vertical and social image exports
This Shorts page is a strong bridge for vertical images, social covers, and website preview files. Check the exported file first, then open the checker that matches the final publishing surface.
Public workflow references: ImageSizeKit core checker route map ยท ImageSizeKit checker workflow reference
Choose the correct YouTube image workflow
YouTube Image Sizes
Route broad YouTube image searches into thumbnail, Shorts cover, banner, profile picture, watermark, podcast, and Community post guidance.
Start here when the image is for YouTube but you are not sure which asset type it is.
Best for broad queries such as youtube image size, image size for youtube, youtube photo size, and youtube picture dimensions.
Check image dimensions online
Image Size Checker
Read width, height, aspect ratio, file size, format, orientation, and the nearest publishing workflow for an exported image.
Start here when you only have a file and need raw image facts before choosing a platform guide.
Best for broad queries such as image size checker, website image size checker, and thumbnail image size.
Check banner image size
Banner Size Checker
Route wide header, cover, channel art, profile banner, and website hero images before publishing.
Start here when the image is wide enough to be a channel banner, cover photo, or profile header.
Best for banner crop checks before moving into YouTube, LinkedIn, Facebook, or website preview pages.
Check social media image size before upload
Social Media Image Checker
Compare one exported image against Instagram, Facebook, LinkedIn, Open Graph, ecommerce, and creator workflows.
Start here when the same export may be reused across several social or marketplace surfaces.
Best for routing one image into Instagram, LinkedIn, Facebook, Open Graph, Etsy, Shopify, Whatnot, or YouTube pages.
Check Open Graph preview image
Open Graph Preview Checker
Check 1200 x 630 and 1.91:1 website share images before adding metadata or refreshing social previews.
Start here when the image will appear as a website or blog share card.
Best for separating image-file problems from page metadata, crawler access, and platform cache issues.
Vertical cover reuse routes
Once the Shorts frame passes the 9:16 check, decide whether the same creative stays on YouTube, moves to an Instagram Reel cover, becomes a website share card, or needs a reusable template source for the next export.
Reuse the Shorts frame on Instagram
Check Instagram Reel cover
Check Reel cover size and profile-grid crop before cross-posting the same 9:16 image.
Turn the vertical idea into a share card
Adapt to Open Graph
Redesign the concept into a 1200 x 630 Open Graph image when it will represent a website URL.
Start from a reusable source
Open template assets
Open template assets when the team needs safe-area overlays or source files before exporting creator images.
Shorts frame action path
Start with the actual exported image, not the design canvas name. A Shorts frame should usually be 9:16, but the same creative may need a different route when it becomes an Instagram Reel cover, a regular YouTube thumbnail, or a website share-card image.
Check a finished Shorts cover frame
Check image dimensions
Read the exported file first, then confirm whether it is actually 9:16 before treating it as a Shorts asset.
Compare with Instagram Reel cover reuse
Compare Reel cover
Keep the 9:16 source, then check Reel cover and profile-grid crop behavior before cross-posting.
Avoid using the wrong YouTube thumbnail workflow
Open 16:9 checker
Use the standard 16:9 checker only when this is a regular long-form video thumbnail, not a vertical Short frame.
Adapt the same creative into a website share card
Adapt to Open Graph
Switch to a 1200 x 630 Open Graph source instead of forcing a vertical frame into a website preview.
Cross-platform reuse after a Shorts frame check
A finished 9:16 Shorts frame often becomes another asset: an Instagram Reel cover, a campaign visual, or a website share image. Use the next route based on the final publishing surface instead of forcing every reuse through YouTube thumbnail rules.
The 9:16 Shorts frame will also be used as an Instagram Reel cover
Compare Instagram Reel cover crop
Use this before cross-posting a Shorts frame to Reels, because the 9:16 source can still fail profile-grid crop or centered-subject checks.
The Shorts creative will become a website or campaign share image
Preview the Open Graph share card
Use this when the vertical idea has already been adapted for a page URL and the live preview, cache, metadata, or crop needs checking.
YouTube Shorts thumbnail size quick answer
The practical YouTube Shorts thumbnail size is 1080 x 1920 pixels for a vertical 9:16 cover frame or custom Shorts thumbnail source. Use this when you are planning how a Short appears outside the swipe feed. Do not treat it as the same workflow as a regular YouTube custom thumbnail, which uses a wide 16:9 image such as 3840 x 2160.
Best Shorts frame
1080 x 1920
Use this as the default 9:16 planning canvas.
Ratio
9:16
Keep faces, text, and key objects centered for mobile viewing.
Rollout note
Account-dependent
Custom upload and frame-selection options can differ by account and app.
Use the YouTube image size hub when the asset is unclear
This page answers Shorts-specific thumbnail and cover-frame questions. If the search phrase is broader, such as youtube image size, image size for YouTube, YouTube photo size, or YouTube picture dimensions, start with the YouTube Image Sizes hub or check the exported file dimensions first.
YouTube Image Sizes
Choose between thumbnails, Shorts, banners, profile pictures, watermarks, podcast covers, and Community post images.
Image Size Checker
Read the file width, height, ratio, format, and nearest workflow match before choosing a guide.
YouTube Thumbnail Size
Use the standard 16:9 thumbnail checker when this is not a vertical Shorts frame.
What size should a YouTube Shorts thumbnail be?
For a vertical Shorts cover frame, plan around a 9:16 canvas such as 1080 x 1920 pixels. This is a practical creator workflow size, not the same thing as YouTube's standard custom thumbnail recommendation for long-form videos.
For regular YouTube custom thumbnails, the current official recommendation is 3840 x 2160 pixels with a 16:9 aspect ratio. For Shorts, YouTube announced new thumbnail controls in July 2026: YouTube Partner Program creators can start uploading custom thumbnails for Shorts, the feature will expand over time, desktop can show suggested frames, and mobile can still let creators pick a frame from the video.
If your video is a standard long-form upload, use the YouTube thumbnail size checker. If you are planning the visual frame inside a vertical Short, use the 9:16 table below.
Shorts thumbnail workflow decision card
Use this card before editing a Shorts thumbnail. The right next step depends on whether your account has custom Shorts thumbnail upload access, only frame selection, or a file that may not be a Short at all.
| Current state | Use this size or source | Next action | Route |
|---|---|---|---|
| My account shows custom thumbnail upload for Shorts | Use a 9:16 image such as 1080 x 1920 | Upload the custom Shorts thumbnail, then preview search, channel, and feed placements where possible. | Check image dimensions |
| My account only shows frame selection | Use a 9:16 frame inside the video | Choose the strongest available frame on desktop or mobile, keeping the subject centered. | Use frame size table |
| I am not sure whether this is a Short or regular video | Check whether the asset is 9:16 or 16:9 | Read the exported file first, then route to Shorts or the standard YouTube thumbnail checker. | Identify the file |
| I am adapting the same image for Instagram Reels | Keep a 9:16 source but check platform-specific crop behavior | Compare Shorts frame planning with Instagram Reel cover sizing before reuse. | Compare Reel cover |
Check the exported Shorts image before choosing a guide
If you already have a Shorts cover frame, screenshot, or exported vertical image, run it through the Image Size Checker before assuming it belongs on this page. The checker reads width, height, ratio, file size, and the nearest ImageSizeKit workflow, then routes 9:16 files back here and broader YouTube assets to the YouTube Image Sizes hub.
Next routes after a Shorts frame check
This Shorts page is a discovery path for vertical and cross-platform image tasks. Use these routes when the frame becomes part of a broader YouTube channel asset, a reusable template workflow, a LinkedIn banner, an Open Graph preview image, a marketplace image, or another non-YouTube social publishing check.
YouTube Image Sizes
Start at the YouTube hub when a vertical frame is only one part of a broader channel image workflow.
Image Size Templates
Open the template hub when you need reusable safe-area overlays or source assets before exporting social and creator images.
Banner Size Checker
Use the banner checker when the exported file is not a vertical Shorts frame and looks like wide channel art or a profile header.
Social Media Image Checker
Check the same vertical export against Instagram, LinkedIn, Facebook, Open Graph, ecommerce, and creator image workflows.
LinkedIn Banner Size
Use this when a Shorts frame or creator graphic is being redesigned as a wide LinkedIn profile or Page banner.
Open Graph Image Size
Use this when the same visual idea needs a 1200 x 630 website preview image for social sharing.
Open Graph Preview Checker
Use this when the image is already attached to a page and the social preview crop or cache needs validation.
Whatnot Image Size
Use this when the image is being reused for Whatnot seller, cover, show thumbnail, or listing photo placements.
Current vertical image checker queue
This Shorts page is a strong entry point for vertical creator images. If the file may also be a Reel cover, social image, website preview, or marketplace image, use these checker routes before treating it as a YouTube-only asset.
| Checker route | Use when | Open |
|---|---|---|
| Image Size Checker | Read the exported file width, height, ratio, format, and file size before deciding whether it is a Shorts frame. | Open checker |
| Social Media Image Checker | Route the same vertical export to Instagram, TikTok-style, LinkedIn, Facebook, Open Graph, or ecommerce image workflows. | Open checker |
| Instagram Reel Cover Size | Compare a 9:16 Shorts frame with Instagram Reel cover sizing and grid-crop behavior. | Open checker |
| Social Media Image Sizes | Use the cross-platform hub when the image is for more than YouTube Shorts. | Open checker |
| Open Graph Image Size | Use this when the vertical concept must be adapted into a 1200 x 630 website share card instead of a Shorts frame. | Open checker |
| Open Graph Preview Checker | Use this when a website share image is already live and the preview crop, cache, or metadata needs checking. | Open checker |
| Whatnot Image Size | Use this when the exported vertical image is being reused for a marketplace profile, cover, show thumbnail, or listing photo workflow. | Open checker |
| Social image pre-upload checklist | Check ratio, crop, file size, format, metadata, and final destination before publishing a non-YouTube social image. | Open checker |
9:16 frame reuse matrix
A Shorts frame often becomes the source asset for a Reel cover, a website share card, a banner concept, a marketplace image, or a reusable template. Use this matrix to keep the original 9:16 idea, but send the final export to the route that matches where the image will actually be published.
| Reuse case | How to recognize it | Best route |
|---|---|---|
| Vertical Shorts cover | The asset is a 9:16 Shorts frame or custom Shorts thumbnail source. | Check dimensions |
| Instagram Reel cover reuse | The same 9:16 creative will be reused for Instagram Reels and profile-grid crops. | Compare Reel cover |
| Cross-platform social export | The file may be used on Instagram, TikTok-style, LinkedIn, Facebook, ecommerce, or social feeds. | Route social image |
| Website share-card adaptation | The vertical idea must become a 1200 x 630 Open Graph preview instead of a Shorts cover. | Adapt to OG image |
| Open Graph preview check | The image is already used on a page and the share preview crop or cache needs checking. | Preview share card |
| Template or safe-area source | You need reusable overlays or source files before exporting creator images. | Open templates |
| Wide banner redesign | The Shorts concept is being redesigned into a channel banner, profile header, or cover image. | Check banner size |
| Marketplace image reuse | The exported visual is being reused for Whatnot seller, cover, show thumbnail, or listing photo placements. | Check Whatnot image |
Shorts thumbnail search intent map
Search results mix vertical Shorts frames with standard YouTube custom thumbnails. Use this map to pick the right answer before editing or uploading.
| What you searched | What it usually means | Use this next |
|---|---|---|
| youtube shorts thumbnail size | A vertical frame inside a Short, usually planned as 1080 x 1920. | Jump on page |
| youtube shorts thumbnail size 1080x1920 | Use 1080 x 1920 as the practical 9:16 frame planning size for Shorts cover workflows. | Jump on page |
| youtube thumbnail short video size | A Shorts-specific vertical cover-frame query, not a standard 16:9 thumbnail query. | Jump on page |
| short video thumbnail size | Plan a vertical 9:16 cover frame first, then confirm whether the platform treats it like a Shorts frame or a standard thumbnail. | Jump on page |
| shorts cover size | A 9:16 creator workflow frame, not a regular custom thumbnail upload. | Jump on page |
| youtube shorts cover frame size | Plan the visible frame as 9:16 and keep text or faces centered before publishing. | Jump on page |
| custom thumbnail for shorts | A Shorts rule question, because upload behavior differs from long-form videos. | Jump on page |
| youtube image size | A broad query that should start at the YouTube Image Sizes hub before choosing Shorts, thumbnail, banner, profile, or Community post. | Open guide |
| image size for youtube | Use the YouTube Image Sizes hub when you are not sure which YouTube asset type you are preparing. | Open guide |
| youtube photo size | A broad YouTube asset query that should be routed before assuming the image is a Shorts frame. | Open guide |
| youtube picture dimensions | Check the exported file dimensions first when you are not sure whether the picture is 9:16, 16:9, square, or banner-shaped. | Open guide |
| youtube thumbnail size | Usually a standard 16:9 long-form video thumbnail question. | Open guide |
Shorts thumbnail vs cover frame decision card
If you searched for "YouTube Shorts thumbnail size", first decide whether you mean a vertical Shorts cover frame or a regular custom thumbnail for a standard YouTube video.
I am publishing a vertical Short
Plan a 9:16 frame such as 1080 x 1920. Keep the face, title text, logo, or key object centered because Shorts surfaces may crop or generate previews differently.
Use Shorts frame sizesI am publishing a regular video
Use the standard custom thumbnail workflow: 3840 x 2160 at 16:9 when possible, with 1280 x 720 as a practical HD floor.
Open thumbnail checkerYouTube Shorts thumbnail size table
Use this table to separate vertical Shorts frame planning from standard 16:9 YouTube thumbnail exports.
| Size | Use when | Notes |
|---|---|---|
| 1080 x 1920 | Common 9:16 vertical editing canvas | Good default for a Shorts cover frame or vertical export workflow |
| 720 x 1280 | Smaller HD vertical canvas | Acceptable for lightweight mobile edits, but less source detail |
| 2160 x 3840 | High-detail 9:16 vertical canvas | Useful when you want more source detail before YouTube processing |
| 3840 x 2160 | Standard video thumbnail recommendation | This is the current official custom thumbnail size for regular 16:9 videos |
Source for regular custom thumbnail specs and Shorts thumbnail updates: YouTube Help and YouTube Blog.
9:16 vs 16:9: the important difference
A 9:16 frame is useful when you are composing the visual moment inside the Short itself. A 16:9 custom thumbnail is the standard wide thumbnail workflow for regular YouTube videos. Mixing these up is why many creators see conflicting advice in search results.
If the Short frame includes text, keep it large, centered, and away from fragile edge placement. Different surfaces can crop or generate previews differently, so the safest frame is simple and readable.
Where the Shorts thumbnail can appear
| Placement | What YouTube says | How to plan |
|---|---|---|
| Shorts upload flow | YouTube announced new Shorts thumbnail controls in July 2026, including custom uploads for YouTube Partner Program creators and broader rollout over time. | Check whether your account has the upload option; otherwise plan a strong frame inside the Short. |
| Search and channel page | YouTube now describes both custom upload access for eligible creators and frame selection options for Shorts. | Design the custom image or selected frame as a clean 9:16 vertical asset. |
| Desktop frame selection | YouTube says creators can choose from three suggested thumbnail frames for Shorts on desktop. | Use the clearest suggested frame if a separate custom upload is not available. |
| Mobile frame selection | YouTube says creators can still pick any frame from the video through the YouTube app on mobile. | Bake a strong 9:16 frame into the video if your workflow depends on frame selection. |
| Home and subscription surfaces | YouTube may replace vertical-video 16:9 custom thumbnails with auto-generated 4:5 thumbnails in some feeds. | Do not rely on one 16:9 upload for every Shorts surface. |
| Regular long-form video | Use the standard custom thumbnail specs when the video is not being handled as a Short. | Start with the YouTube thumbnail size checker. |
Shorts cover frame checklist
Before publishing a Short, check the frame you want YouTube to use:
- Use a clear 9:16 vertical composition.
- Keep faces, logos, and key objects away from the extreme edges.
- Use large text only if it stays readable on mobile.
- Avoid tiny captions that depend on one exact crop.
- Upload a custom Shorts thumbnail only when your account and workflow show that option.
- If custom upload is not available, pick the best frame before publishing when your workflow allows it.
- Do not assume a long-form 16:9 thumbnail workflow applies to Shorts.
- Use the standard thumbnail checker only for regular 16:9 thumbnails.
- Review YouTube Help when Shorts upload options change.
YouTube Shorts thumbnail size FAQ
What is the best YouTube Shorts thumbnail size?
For the frame that appears inside a vertical Short, design around a 9:16 canvas such as 1080 x 1920. For regular long-form YouTube thumbnails, the official recommendation is still 3840 x 2160 at 16:9.
Can I upload a custom thumbnail for YouTube Shorts?
YouTube announced custom thumbnail uploads for Shorts for YouTube Partner Program creators in July 2026, with broader rollout over time. If your account does not show that option yet, use frame selection and plan a strong 9:16 frame inside the Short.
Should a Shorts thumbnail be 9:16 or 16:9?
Use 9:16 when you are planning a vertical frame inside the Short. Use 16:9 only when you are preparing a standard YouTube custom thumbnail for a regular video workflow.
Why does my Shorts thumbnail look different in different places?
YouTube can use different crops or generated frames across Shorts surfaces, search results, channel pages, and feeds. A frame that works in one placement may not look identical everywhere.
Can I change a Shorts thumbnail after upload?
Shorts thumbnail options depend on the current account, app, and rollout state. Check the current YouTube Studio or YouTube app workflow before assuming you can change a Short thumbnail after publishing.
Related YouTube tools
YouTube Image Sizes
Compare YouTube thumbnail, Shorts, banner, and safe-area pages.
Image Size Checker
Read image width, height, ratio, and whether it is close to 9:16.
YouTube Thumbnail Size
Check regular 16:9 thumbnail dimensions, ratio, format, and file size.
YouTube Thumbnail Text
Keep thumbnail text readable and avoid fragile placement.
Blurry Thumbnail Fix
Diagnose compression, source resolution, and soft text.
Aspect Ratio Calculator
Calculate 9:16 and 16:9 export sizes before editing.
Instagram Reel Cover Size
Compare a 9:16 Reel cover with Shorts frame planning and grid crop risks.
Social Media Image Sizes
Compare Instagram Reel covers, social banners, and preview image requirements.
Social Media Image Checker
Check whether one exported vertical or horizontal image matches a platform guide.
Update history
August 1, 2026: Updated the page for YouTube's July 2026 Shorts thumbnail controls rollout, including custom uploads for YouTube Partner Program creators, desktop suggested frames, mobile frame selection, and account-dependent workflow notes. July 31, 2026: Added discovery routes from this Shorts page to social, LinkedIn, Open Graph, template, and Whatnot image workflows. July 24, 2026: Added a short video thumbnail size route to separate Shorts intent from 16:9 thumbnail intent. July 21, 2026: Added a quick-answer block for YouTube Shorts thumbnail size questions. July 16, 2026: Tightened title, answer wording, and query routes for YouTube Shorts thumbnail size. July 15, 2026: Updated the title, summary, and answer wording around 1080 x 1920 / 9:16 Shorts frame intent. July 3, 2026: Page drafted with YouTube Help notes for standard custom thumbnails, vertical video thumbnail handling, and Shorts frame selection limitations.