Developer tools

Small utilities for everyday development work. Everything runs in your browser — nothing you paste is uploaded, and there is nothing to sign up for.

Generators

QR Code GeneratorTurn any URL or text into a customizable QR code and download it as PNG or SVG.UUID GeneratorGenerate UUIDs of any version — random v4, sortable v7, or deterministic v3/v5.

Formatters

JSON FormatterPrettify, minify and validate JSON with syntax highlighting and clear error messages.XML FormatterPrettify, minify and validate XML with syntax highlighting and precise error locations.

Encoders

Base64 Encoder / DecoderEncode and decode Base64 with correct UTF-8 handling and a URL-safe option.URL Encoder / DecoderPercent-encode and decode URLs, query values and form data.

Converters

Unix Timestamp ConverterConvert Unix timestamps to dates and back, in seconds through nanoseconds.