Useful tools, without the nonsense.

Format, validate and minify JSON directly in your browser.

Validate JSON syntax and pinpoint parsing errors.

Convert an array of JSON objects into CSV locally.

Convert CSV rows into JSON objects without uploading data.

Encode and decode UTF-8 text as Base64 locally.

Encode or decode URL components safely.

Escape HTML special characters or decode entities.

Inspect JWT header and payload locally without verifying or sending the token.

Generate one or many cryptographically random UUID v4 values.

Convert Unix timestamps to dates and dates back to Unix time.

Test JavaScript regular expressions against text with highlighted matches.

Compare two texts line-by-line and see additions, removals and changes.

Parse URL query parameters into readable JSON.

Convert integers between binary, octal, decimal and hexadecimal.