Hidden Character Detector

Find invisible Unicode marks before they disrupt text

Free / paid plans
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About the product

What does Hidden Character Detector do?

A browser-based Unicode checker for zero-width spaces, formatting marks, Unicode whitespace, bidirectional controls, and other hidden characters. It shows code points, character names, and occurrences before optional cleanup. Guest scans are limited; the site describes text processing as browser-based with server authorization for the daily quota.

Who it’s for

Who should use Hidden Character Detector?

and people checking copied text, Developers, editors, writers are the clearest fit based on how the product is positioned.

Quick fit check

Best fit

Pricing: Free / paid plans

Platforms: Web browser

Cost

How much does Hidden Character Detector cost?

Free / paid plans Check the provider’s own page for the latest pricing, packages and terms.

Directory note

Details, pricing and availability can change. We use provider information, verified owner updates and editorial review where available. Check the provider’s own page before making a purchase, booking or important decision.

Profile last updated 20 Oct 2026.
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Growth help from the team behind The Tool Directory

Built the product. Need help getting people to find, choose or keep using it?

The Tofu Group helps founders diagnose where growth is actually getting stuck — search and AI visibility, positioning, conversion, content, acquisition or retention — before adding more marketing for the sake of it.