YouTube Banner Safe Area Checker
Drop your channel art below to immediately verify if your logo, text, or focal subject gets cut off on mobile, desktop, or tablet. Get plain-language diagnostics and one-click fixes.
Select a viewport to inspect safe crops and safe-area boundaries.
Drop your banner image here
Supports PNG, JPEG, or WebP up to 6 MB. Reposition with aspect preservation, test mobile safe crops, and download a verified 2560 × 1440 file.
Images processed locally. Zero bytes sent to any server.
Image re-upload needed
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Simultaneous Device Cuts (Single Canvas Render)
Live Sub-rectangles1546 × 423
2560 × 424
1855 × 1440
2560 × 1440
Keyboard Shortcuts
Pro-tip: Double-click canvas to instantly center your artwork.
Live Diagnostics
Awaiting imageNothing is cut off on TV, desktop, tablet, or mobile.
All elements and subject framing reside securely within YouTube's mobile safe boundaries.
Awaiting banner image
Drop or browse an image to inspect crops and run real-time cutoff diagnostics.
One-Click Fix Handoff
Need to reposition your artwork or fix safe area cutoffs? Open your uploaded banner directly in the resizer editor with your image preserved.
YouTube CDN Cache Advisory (REQ-014)
When you upload your corrected banner to YouTube Studio, changes may take up to 24 hours to appear across all edge networks, caching layers, and mobile apps. If your previous banner appears to linger, clear your browser cache or test in a private browsing window.
Understanding YouTube's Automatic Re-Encoding
YouTube automatically re-compresses every uploaded channel art image down to approximately 134 KB for desktop devices and smaller budgets for mobile screens. This re-encoding cannot be bypassed, which is why testing your banner with our simulation mode helps verify text contrast before uploading.
How Our YouTube Banner Safe Area Checker Works
Before uploading your channel art to YouTube Studio, our automated diagnostic inspects your image across all four official viewport profiles to identify clipping, compression risks, and formatting errors in real time.
- Safe Area Boundary Detection: Evaluates whether logos, titles, and focal artwork stay securely within the centered mobile safe viewport, calculating exact boundaries against YouTube's 2560 × 1440 px canvas.
- Resolution & Aspect Ratio Check: Assesses source dimensions against YouTube's 2048 × 1152 px minimum threshold to flag potential blurriness on smart TV and 4K displays.
- File Weight Verification: Checks file size against Google's strict 6 MB ceiling before you attempt to upload to YouTube Studio.
The 3 Most Common YouTube Banner Crop Mistakes
Most creators only discover channel art crop errors after publishing. Here are the three issues our automated checker catches instantly:
Mobile Safe Area Cutoff
Mobile screens display only the central safe rectangle. Placing logos, social handles, or text outside this middle zone results in immediate clipping on phones and mobile apps.
Desktop Horizontal Compression
Desktop browsers show a wide horizontal banner, trimming roughly 35% from both top and bottom edges. Graphics or headlines positioned along vertical borders get cropped out on laptops.
Low Resolution Blurriness
Smart TVs display the complete 2560 × 1440 px artwork. Uploading graphics under 2048 × 1152 px forces YouTube to upscale your image, causing visible artifacting on large screens.
YouTube Per-Device Crop Boundaries
YouTube extracts different viewports from a single 2560 × 1440 px upload. Use this reference to understand what viewers see on each screen.
| Device Viewport | Visible Dimensions | Aspect Ratio | Frame Share | Display Behavior |
|---|---|---|---|---|
| Television / Full Frame | 2560 × 1440 px | 16:9 | 100% × 100% | The entire uploaded image is shown only on smart TVs and gaming consoles. |
| Desktop | 2560 × 424 px | 6.04:1 | 100% × 29.4% | Wide horizontal band. Top and bottom margins (~35% each) are cropped out. |
| Tablet | 1855 × 1440 px | 1.29:1 | 72.5% × 100% | Vertical center pillar. Left and right margins are cropped out. |
| Mobile (Safe Area) | 1546 × 423 px | 3.65:1 | 60.3% × 29.3% | Visible on every device without exception. Keep text, logos, and focal subjects here. |
YouTube Channel Art Specifications
Standard Google guidelines for channel banner dimensions, file weights, and supported formats.
| Parameter | Specification Value | Requirement Details |
|---|---|---|
| Recommended Size | 2560 × 1440 px | Standard 16:9 canvas displayed completely on TV displays |
| Minimum Size | 2048 × 1152 px | Lowest upload dimensions accepted by YouTube Studio |
| Safe Area (Full Canvas) | 1546 × 423 px | Ensures no cutoff on any smartphone or mobile viewport |
| Safe Area (Min Canvas) | 1235 × 338 px | Proportional safe area at the 2048 × 1152 minimum upload size |
| Safe Area Fraction | 60.3% × 29.3% | Unified center frame proportion across all canvas resolutions |
| Maximum File Size | 6 MB | Hard limit enforced by YouTube Studio upload validation |
| Color Space | sRGB | Standard web color profile to prevent post-upload hue shifting |
| Accepted Formats | PNG, JPG, WebP, GIF | Static image uploads only; animated GIFs are not supported |
Frequently Asked Questions
Common questions regarding safe area testing, device cutoffs, and YouTube banner diagnostics.
Why does my YouTube banner get cut off on mobile phones?
What are the required dimensions and file size limits?
Why does YouTube re-compress my banner after upload?
How does cover-fit resizing prevent image distortion?
Why is this tool free with no account and no watermark?
Found issues in your safe area test?
Open our YouTube Banner Resizer to adjust positioning, crop boundaries, and export a verified file ready for YouTube Studio.