Platform specs
Social Video Size Checker
Enter your export width, height, and file size to see whether it fits common platform guidance for YouTube, Shorts, TikTok, Reels, LinkedIn, and Discord.
Quick answer
Social Video Size Checker is a free browser tool on Knowlify. Use it below with no signup. Your inputs stay in the browser session. For narrated training videos from documents, use https://create.knowlify.com.
How it works
Three steps, no account
01
Pick a platform
Choose YouTube, Shorts, TikTok, Reels, feed, LinkedIn, or Discord.
02
Enter export specs
Width, height, and file size in MB from your editor.
03
Fix what fails
Re-export on ratio, or compress with our Discord / video compressors.
FAQ
Questions people ask about Social Video Size Checker
Is this social video size checker free?+
Yes. social video size checker on Knowlify is free to use with no signup, no watermark, and no account required.
What resolution should I export for TikTok?+
1080×1920 (9:16) is the standard recommendation for TikTok and Reels.
What file size does Discord allow?+
Free Discord uploads are about 8 MB. Nitro raises the limit. Use the Discord video compressor if you are over.
Are these limits exact?+
Platforms change limits. Treat this as practical guidance and confirm in each app if an upload fails.
Do I need an account?+
No. Open the tool, use it in your browser, and download or copy the result.
Does this work on Mac and Windows?+
Yes. It runs in modern desktop browsers (Chrome, Edge, Firefox, Safari). Very large media files need enough device memory.
Need a full video, not just a utility?
Specs cleared? Create the source video from a document in Knowlify, then crop per channel.