Developer Tools
Format, decode, generate, and convert everyday developer assets.
All tools
JSON Formatter
Beautify, minify, and validate JSON payloads with configurable indentation.
Open tool pageJSON Validator
Check JSON syntax and get a precise error location when something is off.
Open tool pageJWT Decoder
Decode the header and payload of JWT tokens without leaking secrets.
Open tool pageBase64 Encoder
Encode text to Base64 and decode Base64 back to readable text.
Open tool pageUUID Generator
Generate batches of UUIDs in v4 and v7 formats for keys and IDs.
Open tool pageQR Code Generator
Turn URLs, text, and Wi-Fi details into downloadable QR codes.
Open tool pageLorem Ipsum Generator
Create placeholder copy sized to your layout with words, sentences, or paragraphs.
Open tool pageHash Generator
Compute MD5, SHA-1, SHA-256, SHA-512, and HMAC digests of any text.
Open tool pageTimestamp Converter
Convert between Unix epoch seconds and human-readable ISO timestamps.
Open tool pageURL Encoder
Percent-encode and decode URLs, query strings, and form payloads.
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