Terms of use

Before changing important text

• Keep an original copy so you can undo changes outside this browser session.
• Review proposed removals and verify the result in the system where you will use it.
• Use a format-aware validator for JSON, source code, documents, or other structured formats.
• You are responsible for the text you change, copy, or share.

What hidden markers cannot prove

Another platform may display, change, reorder, remove, or reject hidden characters. An InvisiChar marker is readable and replaceable by anyone who knows its public format. It is not encryption, a signature, proof of authorship or ownership, a timestamp, tamper protection, or durable tracking.

Use the tool responsibly

Do not use InvisiChar to deceive people, misrepresent authorship or ownership, evade safety or detection systems, or conceal harmful instructions. Do not claim that the tool provides guarantees it does not provide.

The tool may change, contain errors, or become unavailable. It is provided without a guarantee that it will detect every hidden character or preserve a marker across other platforms.

Optional support

Support payments are voluntary and handled by PayPal. They do not unlock features, create an account, purchase a service level, or add a warranty or response-time commitment.

Continue using InvisiChar

Return to the tool or read the Privacy page.

Last reviewed: 2026-09-01