Simple browser utilities. No account. What you type stays in the page. A visit counter and ads run only if you accept them.
Format, indent, and minify JSON locally in your browser.
Convert JSON to YAML and back, right in your browser.
Convert a JSON array to CSV and back, in your browser.
Convert Unix time and ISO 8601 dates in your browser.
Turn a JSON sample into TypeScript interfaces in your browser.
Convert JSON to XML and back, right in your browser.
Encode and decode Base64 locally in your browser.
Read a JWT header, payload and expiry dates in your browser.
Encode and decode URL text in your browser.
Encode and decode HTML entities in your browser.
Escape and unescape JSON strings and Unicode sequences in your browser.
Split an absolute URL into its parts in your browser.
Generate UUID v4 and v7 identifiers in your browser.
Generate a random password and read its entropy in your browser.
Generate lorem ipsum words, sentences or paragraphs in your browser.
Generate random hex or base64url tokens in your browser.
Draw a QR code from text in your browser.
Generate fake JSON records in your browser.
Compare two texts side by side in your browser.
Test a regular expression and read the captured groups in your browser.
Rewrite a phrase as camelCase, snake_case and the other spellings.
Trim, dedupe, sort and count lines in your browser.
Reveal spaces, tabs, and zero-width characters in your browser.
See which lines are only in A, only in B, or in both.
Convert binary, octal, decimal and hex in your browser.
Hash text with SHA-256 and SHA-512 in your browser.
Read a five-field cron expression and its next runs in your browser.
Convert Unix permission bits between octal and symbolic form in your browser.
Compute HMAC-SHA256 of a message and a key in your browser.
Read an IPv4 network, mask, and host range in your browser.