Guides & blog
Post in the quality you filmed
Plain-English guides on beating platform compression — how to upload TikToks in high quality with no compression, dial in your export settings, fix blurry clips, and prove the quality actually held. Written by the team behind the Haze optimizer and video check.
How to upload to TikTok in high quality with no compression
The full chain, end to end: export at your source quality (up to 4K120), turn on Upload HD, run the file through the optimizer with no re-encode so your quality keeps itself, then prove it survived with the video check.
Read the guide →How to check your video quality after posting
Paste a link into the free scanner to read the real resolution, framerate and bitrate TikTok serves — plus a Haze verdict and engagement stats.
compressWhy TikTok compresses your video
What really happens to your file the moment it lands on TikTok's servers — and which factors decide how hard you get hit.
hdHow to post in HD on TikTok
Turn on Upload HD, export at 1080p60, and stop TikTok from crushing your quality before it reaches viewers.
blur_onHow to fix blurry TikTok videos
The usual causes of soft, washed-out uploads — and the fixes that actually make a difference.
tuneBest TikTok video size & export settings
The exact resolution, aspect ratio, framerate and bitrate to export for TikTok, on any editor.
movie_editBest CapCut export settings for TikTok
The exact numbers to punch into CapCut's export screen so your edit leaves at full quality.
visibility_offTikTok shadowbans, explained
What actually triggers a shadowban — VPNs, spam posting, copyrighted music, reposts — how to tell, and why optimizing your quality isn't one of the causes.
Try the tools the guides use
Optimize a video so TikTok compresses it less, then check any posted link to see the quality it's really serving. Both free to start.