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Security tool

Text Redactor

Mask emails, phone numbers, card numbers and custom terms before sharing.

Runs on-deviceNo sign-upFree

Text Redactor workspace

Workspace

Text Redactor

Runs locally
Result

The guide

By the utils.sbs team · Reviewed November 2026 · How we build and review tools

Quick answer

Text Redactor is a free browser-based security tool. Mask emails, phone numbers, card numbers and custom terms before sharing. It runs with JavaScript locally, requires no account and does not upload your files. Open the page, add your input, adjust any options and download the result.

What is Text Redactor?

Text Redactor is a free browser-based security tool from utils.sbs. Mask emails, phone numbers, card numbers and custom terms before sharing. It is built for quick, focused jobs: open the page, add your input, adjust the options and take the result with you. No account, install or server upload is required.

At a glance

CategorySecurity
InputPlain text, code, markup or JSON
OutputA downloadable text or code file
EngineJavaScript
ProcessingIn your browser
PriceFree
AccountNot required

How Text Redactor works

Text is processed in the browser with JavaScript and downloaded from a local blob. Nothing is uploaded.

How to use Text Redactor

  1. 1Open Text Redactor and add your input.
  2. 2Adjust the options: replace with, email addresses, phone numbers, card-like numbers and more.
  3. 3Run the tool, check the preview or result, and download the output.

When to use Text Redactor

  • Clean, transform or compare text before using it elsewhere.
  • Convert markup, JSON or structured text between formats.
  • Count, format or inspect content quickly in the browser.

Inputs and options

Replace with
Choose one of 4 options.
Email addresses
Toggle this option on or off.
Phone numbers
Toggle this option on or off.
Card-like numbers
Toggle this option on or off.
URLs
Toggle this option on or off.
Custom words or phrases (comma separated)
Set this value before running the tool.

Limitations

Very large inputs may be limited by the browser's available memory.

Privacy and accuracy

Text Redactor processes its input in the browser whenever the platform API allows it. Files and values are not uploaded to a server for processing, and the tool does not require an account. For calculations, use the result as a reference and verify important decisions against the source formula or a qualified professional. Read our methodology.

FAQ

Text Redactor questions

  • What can I do with Text Redactor?

    Mask emails, phone numbers, card numbers and custom terms before sharing. Text Redactor is part of the Security shelf on utils.sbs and is designed for quick, one-off tasks.

  • Is Text Redactor free to use?

    Yes. Text Redactor is free, requires no account, and has no per-file or per-use charge.

  • Are my files uploaded when I use Text Redactor?

    No. Text Redactor is designed to process your input locally in the browser. Files are not uploaded to a server for processing.

  • What formats does Text Redactor support?

    It works with plain text, code, markup and structured text, and returns a downloadable text file.

  • Can I use Text Redactor on my phone?

    Yes. Text Redactor is responsive and works in modern mobile browsers. Very large files may be limited by the device's available memory.

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