Is your pin the right size and shape?
Drop an image or a video and see exactly how it measures against Pinterest’s published specs — ratio, resolution, format, weight, length and safe zone. The numbers, not a verdict you have to trust.
Every rule, and what each one costs you
Graded against Pinterest’s own Pin specs. Where a threshold is reported rather than published by Pinterest, the tool says so instead of stating it as fact.
Shape — matched, not forced
Pinterest supports 1:2, 2:3, 3:4, 4:5, 1:1 and 9:16. The checker names the one your file is closest to and grades against it, flagging that 2:3 (images) or 9:16 (video) is what Pinterest recommends — rather than calling every other supported shape broken.
Truncation past 2.1:1
Beyond about 1000×2100, pins are reported to be cut off in the feed behind a “see more” and to lose distribution. That is the point worth avoiding — not merely being taller than 2:3, which is a shape Pinterest supports.
Resolution — 1000px wide, 1080p video
Width is graded on its own because Pinterest scales to it. For video the same floor applies to the short side: 1080p vertical means 1080×1920, so a 720×1280 clip is 720p no matter how tall it is.
Format, weight and length
Images: BMP, JPEG, PNG, TIFF and WebP are all accepted; 20 MB is the web ceiling and 5 MB the point where load time starts costing saves. Video: 4 seconds to 5 minutes, MP4 preferred, MOV from the app only.
Safe zone — 270/65/195/790 px
Pinterest publishes the margins its own interface occupies on full-bleed vertical media, measured against a 1080×1920 frame. Drop a 9:16 image or video and the checker draws them over your preview, so you can see whether your text overlay is sitting under a button. They are not drawn on other shapes, because there they would be meaningless.
What people ask about this tool
- What is the right size for a Pinterest pin?
- 1000×1500 pixels — a 2:3 portrait — for a standard image pin. That ratio fills the most feed height Pinterest will give a pin without truncating it, and 1000 px of width keeps it sharp on high-density screens. For video, Pinterest recommends 1080×1920 (9:16) full-bleed instead.
- Which shapes does Pinterest actually support?
- More than one. Alongside 2:3, Pinterest supports 1:2, 3:4, 4:5, 1:1 and 9:16. This checker names whichever shape your file is closest to and grades it against that, rather than failing everything that is not 2:3 — a square pin is supported, it is just more compact in the feed than a portrait one.
- What happens if my pin is much taller than 2:3?
- Past roughly 2.1:1 — about 1000×2100 — pins are reported to be truncated in the feed behind a “see more” control, and to receive less distribution as a result. Pinterest does not publish that figure itself; it is the consistent finding of pin-sizing guides. Below it, a tall pin is fine: 9:16 is a shape Pinterest supports outright.
- Which file formats does Pinterest accept?
- For images, Pinterest’s spec page lists BMP, JPEG, PNG, TIFF and WebP. All five upload — but BMP and TIFF are typically an order of magnitude larger for no visible gain, so this tool flags them as worth re-exporting rather than treating them as errors. For video: MP4 and M4V from the web, plus MOV from the mobile app, encoded as H.264 or H.265.
- How large can a pin file be?
- Images are capped at 20 MB when uploading from the web; the mobile app accepts considerably more. Either way, this tool warns above 5 MB, because a heavy pin loads slowly and a pin that renders late loses saves. Video uploads are commonly reported to top out around 2 GB.
- How long can a video pin be?
- Pinterest’s help centre gives a minimum of 4 seconds and a maximum of 5 minutes. Several third-party guides claim 15 minutes; the help centre is the source this tool follows. Independent engagement data points to 6–15 seconds as the strongest range, which is why longer clips get a note rather than a pass.
- What is the safe zone, and why does it only appear sometimes?
- On full-bleed vertical media, Pinterest’s own interface sits over parts of the frame. Its published safe-zone margins are 270 px from the top, 65 px left, 195 px right and 790 px from the bottom — absolute pixels against a 1080×1920 frame. They only make sense for 9:16 content, so the overlay is drawn only when your file is roughly that shape. Applying them to a 1000×1500 pin would black out most of it and mean nothing.
- Is my file uploaded anywhere?
- No. Your browser reads the dimensions — and, for video, the duration — from the file on your own machine. There is no upload, no request to a server, and no account. You can open the network tab and watch nothing leave the page.
Other free tools
Or stop checking pin sizes altogether.
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