Nearby tools from the catalog that fit the same job or workflow.
Clean pasted filenames
Clean pasted filenames into safer ASCII-first output while preserving extensions locally.
Collapse extra spaces
Collapse repeated spaces and tabs from pasted text while preserving paragraph structure.
Normalize smart quotes
Convert curly quotes, long dashes, and ellipses into plainer ASCII punctuation locally.
Clean alt text
Clean noisy alt text locally without turning it into an AI writing tool.
Normalize line breaks
Normalize mixed line endings into LF or CRLF output locally.
Convert text casing
Convert pasted text between lowercase, uppercase, title, sentence, and swap case locally.
Everyone can see the current score. Signed-in users can leave a 1 to 5 star rating, and any written review goes only to review@cleanor.app.
No ratings yet. Be the first to leave one.
Sign in to leave a public score from 1 to 5 stars. Optional written feedback is private and emailed only to review@cleanor.app.
This block mirrors the system review flow: score first, then an optional private note.
A quick way to understand who this helps, what it solves, and where it connects next.
Support teams, developers, content managers, and operators debugging copy-paste text issues.
Text that looks normal visually but breaks because of invisible Unicode characters or inconsistent normalization.
Capture unicode-cleaner intent with an honest invisible-character cleanup page.
Cleanor Labs
These sections explain the job in plain language and set expectations for what the tool should do well.
To clean invisible Unicode, paste your text into Unicode Cleaner and it scans for zero-width spaces, the BOM, direction marks, and other invisible or special characters, then strips them out. It also normalizes non-breaking spaces and the Unicode form so the cleaned text behaves consistently. The visible characters stay the same — only the hidden, structurally troublesome ones are removed.
This is useful because text copied from PDFs, chat apps, AI tools, or design software often hides characters you cannot see. Those hidden characters break search, diffs, validation, code, and database imports, and they are nearly impossible to catch by eye. Unicode Cleaner makes the text safe to paste anywhere.
When the cleanup is done you can copy the normalized result straight back out. The whole process runs locally in your browser, so even sensitive or unpublished text never leaves your device.
Unicode Cleaner focuses on invisible or structurally troublesome Unicode characters, not on visible punctuation styling. If you want to convert curly quotes, em dashes, or other visible smart punctuation, that is a different job handled by a smart quotes cleaner instead.
Because it targets hidden characters, Unicode Cleaner is the right tool when text looks correct on screen but misbehaves in systems — failing a comparison, breaking a regex, or corrupting an import. It removes the cause without altering the words you actually see.
Short answers for the questions people usually have before trying a utility like this.
Yes. Unicode Cleaner removes zero-width spaces and the byte-order mark (BOM) as part of its main cleanup, along with direction marks and other invisible Unicode.
Paste the text into Unicode Cleaner and it strips zero-width spaces, the BOM, direction marks, and other invisible or special characters, then normalizes the result so you can copy clean text back out.
No. Unicode Cleaner focuses on invisible or problematic characters, while a smart quotes cleaner handles visible punctuation like curly quotes and dashes.
No. Unicode Cleaner runs entirely in your browser. The text you paste is processed locally on your device and never uploaded.
Yes. Unicode Cleaner is free to use with no account, no limits to sign up for, and no upload required.
Every tool on Cleanor is free with no sign-up, no credits, and no limits. Files are processed privately in your browser. Looking for on-device phone cleanup and Premium features? That lives in the Cleanor app.
Normalize troublesome Unicode characters like BOM, zero-width marks, and non-breaking spaces while keeping visible text intact.