Dev tools
Free, no-signup tools. Run in your browser — no data sent to our servers.
json-formatter
JSON formatter & validator
Format, validate and minify JSON with one click.
base64Base64 encode / decode
Encode and decode Base64 strings in the browser.
url-encodeURL encode / decode
Encode and decode URL components.
regexRegex tester
Test regular expressions and see matches in real time.
hashHash generator
SHA-1 and SHA-256 hashing in the browser.
uuidUUID generator
Generate one or multiple UUIDs.
jwtJWT decoder
Decode JWT and view header and payload.
diffDiff checker
Compare two texts. Unified diff.
timestampTimestamp converter
Unix timestamp to human date and back.
loremLorem ipsum generator
Generate placeholder text: words, sentences, paragraphs.