Smart Checks for Smoother Publishing

Video Validation

Postly automatically validates your videos before publishing. From format checks to resolution and duration validation, we ensure your content meets platform standards - avoiding rejections, errors, or failed uploads.

  • Supports MP4, MOV, WEBM, AVI, and more
  • Checks resolution, length, aspect ratio, and file size
  • Alerts you if adjustments are needed
Postly Video Validation

Smart Validation

Postly auto-checks every video for technical compliance before you hit publish.

Multi-Format Support

Upload MP4, MOV, AVI, WEBM and more - Postly adapts as needed.

Duration Check

We validate length limits for Instagram, TikTok, LinkedIn, and others.

Auto Adjustments

If fixable, we’ll auto-adjust your video resolution or encoding.

Manual Fix Suggestions

If not fixable, we’ll give you clear next steps to correct it.

Error Prevention

Catch problems before they cause publishing delays or failures.

Frequently Asked Questions

How does Video Validation help?

It automatically ensures your video meets each platform’s requirements - no more failed uploads or rejections.

Which video formats are supported?

Postly supports MP4, MOV, WEBM, AVI, and several others. We also convert incompatible formats when possible.

What happens if my video is too long or too large?

You’ll get an alert and suggestions to trim or compress it. We also handle auto-adjustments if possible.

Can I preview the video before publishing?

Yes, you can preview how the video will appear on each platform before publishing it through Postly.