Choosing a video format for Pinterest web and mobile
MP4 is listed for organic Video Pins on both web and mobile, making it a practical choice when switching upload surfaces. MOV is listed for the app only. Supported formats do not guarantee identical processing or visual quality.
Fix it
- Convert it to MP4
This browser converter accepts files up to 100 MB, re-encodes them and can lose quality. Convert a copy from the original and preview the generated video and audio before uploading it yourself.
Convert to MP4
Platform reference and evidence
These reference values have partial source coverage. Ratios and dimensions are editing guidance; account and upload-surface limits can differ. Approximate or unknown values do not certify eligibility.
- Platform
- Editing ratio
- 9:16
- Max length
- 4 seconds to 5 minutes for an organic Video Pin
- Max file size
- not publicly documented
Duration and size: reference and limitations. Approximate values still need confirmation in your composer.
Organic Pin limits differ from Pinterest video ad specifications. The description limit is 800 characters.
Format reference scope: Organic Pins; app and web formats differ from ad specifications. Source checked 2026-09-12; this does not verify every reference field. Pinterest: Review Pin specs
Why this choice
MP4 is listed for both web and mobile; MOV is listed for mobile.
Organic Video Pins; accepted does not mean identical quality. Official reference
Prepare a copy in Koldflux, review its output and check the current destination requirements before publishing.
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