Paste Unicode text
Use copied content, identifiers, translations, or data from multiple systems.
Unicode normalization tool
Unicode Normalization Tool
Make text comparisons and identifiers more reliable by normalizing composed characters, compatibility forms, accents, and full-width variants.
No upload Free to use Works on mobile
Clean tool
Normalize Unicode
Options
Normalized text
0 resultsHow to use Normalize Unicode
Choose a normalization form
NFC is a safe general default; compatibility forms also fold presentation variants.
Compare the cleaned result
Copy normalized text or inspect which code points changed.
Common uses
Reliable text diff
Remove false differences caused by equivalent character sequences.
Search and deduplication
Normalize identifiers before matching values.
Localization QA
Find full-width and compatibility characters in translations.
Normalize Unicode FAQ
Is Normalize Unicode free to use? +
Yes. Normalize Unicode is free to use without an account or usage meter.
Is my data uploaded or stored? +
No. The processing for this tool runs locally in your browser. Entered content is not sent to our server.
Which Unicode form should I use? +
NFC is the common default for normal text. NFKC is more aggressive and can convert compatibility characters such as full-width letters and ligatures.
Keep working
Related list tools
Clean
Remove Invisible Characters
Find zero-width spaces, byte-order marks, soft hyphens, directional marks, and control characters hidden in text.
Compare
Compare Lists
Compare two lists online to find common items, items only in list A, and items only in list B. Case-sensitive and case-insensitive comparison supported.
Document
Translation Placeholder Checker
Check source and translated text for missing variables, HTML tags, numbers, URLs, and line mismatches before localization release.