ToolMaster

Free Security Tools Online

Generate strong passwords, create cryptographic hashes, decode JWT tokens, check URL safety, and obfuscate emails — all processed locally in your browser for maximum privacy.

All 5 tools

Password Generator

Generate strong, secure passwords with customizable length and character sets.

Password Strength Checker

Analyze password strength and get recommendations for improvement.

Email Obfuscator

Protect email addresses from spam bots with obfuscation techniques.

URL Safety Checker

Check URL safety and get information about potential security risks.

Data Anonymizer

Anonymize sensitive data while preserving format for testing and development.

Frequently Asked Questions

Are ToolMaster Free Security Tools Online really free?

Yes. Every tool is 100% free with no usage limits, no watermarks, and no account required.

Do my files get uploaded to your servers?

No. ToolMaster processes files locally in your browser. Your data never leaves your device — unlike most competitors.

How is ToolMaster different from cloud-based tool sites?

ToolMaster runs entirely in your browser for maximum privacy and speed. No cloud upload means your confidential documents stay on your device.

Can I use these tools on mobile?

Yes. All tools work on Android and iPhone browsers — Chrome, Safari, and Firefox.

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