What can I do with Secret Scanner?

Scan text for API keys, tokens and private key patterns. Secret Scanner is part of the Security shelf on utils.sbs and is designed for quick, one-off tasks.

Is Secret Scanner free to use?

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

Are my files uploaded when I use Secret Scanner?

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

What formats does Secret Scanner support?

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

Can I use Secret Scanner on my phone?

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

Security tool

Secret Scanner

Scan text for API keys, tokens and private key patterns.

Runs on-deviceNo sign-upFree

All security tools

Workspace

Secret Scanner

Runs locally

Input

28 chars · 4 wordsStays in this tab

Output

The guide

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

Quick answer

Secret Scanner is a free browser-based security tool. Scan text for API keys, tokens and private key patterns. 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 Secret Scanner?

Secret Scanner is a free browser-based security tool from utils.sbs. Scan text for API keys, tokens and private key patterns. 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

Category	Security
Input	Plain text, code, markup or JSON
Output	A downloadable text or code file
Engine	JavaScript
Processing	In your browser
Price	Free
Account	Not required

How Secret Scanner works

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

How to use Secret Scanner

1Open Secret Scanner and add your input.
2Use the default settings, or choose the format or detail level that matches your goal.
3Run the tool, check the preview or result, and download the output.

When to use Secret Scanner

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.

Limitations

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

Privacy and accuracy

Secret Scanner 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

Secret Scanner questions

What can I do with Secret Scanner?
Scan text for API keys, tokens and private key patterns. Secret Scanner is part of the Security shelf on utils.sbs and is designed for quick, one-off tasks.
Is Secret Scanner free to use?
Yes. Secret Scanner is free, requires no account, and has no per-file or per-use charge.
Are my files uploaded when I use Secret Scanner?
No. Secret Scanner is designed to process your input locally in the browser. Files are not uploaded to a server for processing.
What formats does Secret Scanner support?
It works with plain text, code, markup and structured text, and returns a downloadable text file.
Can I use Secret Scanner on my phone?
Yes. Secret Scanner is responsive and works in modern mobile browsers. Very large files may be limited by the device's available memory.

Keep going

Related security tools