Free creator toolkit

Check your video before you post

Catch size and format issues early. Choose a destination, then enter your video details or read them from a local file.

Free to useNo signupResults on this page

Your video details

01 / INPUTS

Start with the sample or check your own file.

Read details from a videoStays on this device. Nothing is uploaded.

Destination Width (pixels)Height (pixels)Duration (seconds)File size (MiB)1 MiB = 1,048,576 bytes. Frame rate (optional)Find FPS in your editor. The browser does not reliably read it from a file.

The sample is a 1080 × 1920, 30-second video. Replace its details before using the result.

02 / YOUR CHECKS

Measured checks pass. Add frame rate.

Video length✓ Pass
3 seconds to 15 minutes
Video file size✓ Pass
at most 300 MB
Frame rate○ Not checked
23 to 60 frames a second
Video width✓ Pass
at most 1,920 px
Video aspect ratio, width to height✓ Pass
0.01:1 to 10:1
Video shape✓ Recommended
9:16, vertical

Checks cover these measurements only. Codec, audio, content rights and account eligibility still need review. Passing does not guarantee a platform will accept the post.

Read Instagram’s posting requirements →

How to use it

Three steps before you publish

Choose a destination

Check a TikTok video, Instagram or Facebook Reel, YouTube Short, or Threads video.

Add your video details

Enter the measurements or choose a local file. Add frame rate from your editor.

Review what needs attention

Read each check, its limit and its source. Resolve any issues before publishing.

Understand your result

Check the measurements, then review the whole post

This checker uses the same maintained video-rule table as LoopBatch’s publishing checks. It tests duration, dimensions, aspect ratio, file size and frame rate where the selected destination has a rule. A missing file size or frame rate stays “Not checked.”

A local file provides the dimensions, duration and byte size your browser can read. It stays on your device and is not sent to LoopBatch. Some containers or codecs cannot be read by a browser; enter the details manually in that case.

These are the rules for LoopBatch’s supported publishing path. Some are LoopBatch limits, rather than universal platform limits; those are marked in the result. Account-specific restrictions also apply: TikTok’s maximum posting duration, for example, can depend on the creator’s account.

Codec, audio encoding, copyright, disclosures and access to a publishing account are outside this tool’s checks. Use the pre-publish review guide for the remaining decisions.

Sources and rule dates

LoopBatch rule-table version: 2026-09-14. Individual source dates are shown with each result; a new tool page does not make an older source newly checked.

Video checker questions

Is my file uploaded?

No. The browser reads a local file’s metadata on this device. This tool has no upload or generation endpoint.

Why do I need to enter frame rate?

A browser reliably exposes dimensions and duration for many playable files, but not the file’s exact frame rate. Use the FPS shown by your video editor or media inspector.

Does a pass mean the video will publish?

It means the measurements supplied pass the checks shown. A platform can still refuse the file or post for encoding, content, account or API restrictions.

Guides for this tool

Put the plan into practice

Build a workflow you can run again.

Describe how your videos should be made, check the estimate and review the result before publishing.

See how video automation works · Compare plans and credits

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