Paste suspicious text
Use content that looks correct but fails comparison, validation, or import.
Hidden character cleaner
Reveal and remove invisible characters that break logins, code, search, deduplication, CSV imports, and otherwise identical text comparisons.
Clean tool
Use content that looks correct but fails comparison, validation, or import.
The report lists positions and Unicode names for common invisible characters.
Remove unsafe invisibles while preserving normal spaces, tabs, and line breaks.
Clean usernames, emails, product codes, and copied IDs.
Find invisible bytes in source, logs, and configuration.
Remove zero-width and directional marks from pasted copy.
Yes. Remove Invisible Characters is free to use without an account or usage meter.
No. The processing for this tool runs locally in your browser. Entered content is not sent to our server.
No. It targets hidden format and control characters while retaining ordinary visible spacing by default.
Keep working
Normalize visually equivalent Unicode sequences using NFC, NFD, NFKC, or NFKD and diagnose hidden comparison differences.
Validate JSON online and locate syntax errors with line and column details. Format valid JSON without uploading your data.
Calculate detailed text statistics including words, unique words, sentences, paragraphs, lines, characters, and estimated reading time.