YouTube Title
Length Checker

Validate the official 100-character ceiling, inspect Unicode and invalid characters, front-load the words that matter, preview real display width, and compare title variants without sending your draft anywhere.

Official ceiling100 characters for video titles.

Pixel-aware previewCharacters are not equally wide, so preview both count and measured width.

Variant LabCompare alternatives side by side without pretending to predict CTR.

Private by designEverything runs in your browser. No account, API, watermark or paywall.

Title workspace

Priority keyword / phrase

Safety margin

Preview width

0 / 100 characters

100 remaining

Ready

0Visible units

0UTF-8 bytes

0Words

0Emoji

Title audit

waiting

Variant Lab

Add up to six titles to compare count, measured width, keyword position and warnings. This is a comparison workspace, not a CTR predictor.

Shortcut: Ctrl/⌘ + Enter adds the current title to Variant Lab.