Is this tool free to use?

Yes, this tool is completely free to use with no usage limits, registration, or hidden charges.

Is my data sent to a server?

No. All processing happens entirely in your browser. Your data never leaves your device, ensuring complete privacy and security.

Once the page is loaded, the tool works entirely client-side and does not require an active internet connection for its core functionality.

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Most-used tools on LangStop

Format, validate, and beautify JSON

Convert JSON data to YAML format

Generate TypeScript interfaces from JSON

Decode and inspect JWT tokens

Test and debug regular expressions

Encode text or binary to Base64

Build and validate cron expressions

Convert JSON arrays to CSV format

Format and beautify HTML

Format and beautify SQL queries

Convert Unix timestamps to readable dates

Generate MD5, SHA hashes

Create secure random passwords