Tools

Online developer tools

A growing collection of fast, private tools for data, encoding, generation, and web development.

DA

Data Tools

Format, validate, and transform structured data.

Data Tools
JSON FormatterFree online JSON formatter and validator with Monaco, JSONPath, TypeScript/YAML tools, diff, schema validation, tree view, and local processing.
jsonformattervalidator
Data Tools
Timestamp ConverterConvert Unix timestamps to UTC, local, and ISO 8601 dates—and back. Seconds, milliseconds, live clock, 100% local.
timestampunixepoch
EN

Encoding Tools

Encode and decode common developer formats.

Encoding Tools
Base64 Encoder / DecoderEncode and decode Base64 online—UTF-8, URL-safe, files, image paste, MIME wrap. 100% local.
base64encodedecode
Encoding Tools
URL Encoder / DecoderEncode and decode URLs, URI components, form values, and query strings locally in your browser.
urluriencode
GE

Generator Tools

Generate IDs, passwords, and useful development values.

Generator Tools
UUID GeneratorGenerate random UUID v4 values locally, copy batches, format IDs, and inspect existing UUIDs.
uuidguidrandom
Generator Tools
Password GeneratorGenerate strong passwords and memorable passphrases locally with length, character sets, batch copy, and strength guidance.
passwordgeneratorpassphrase