JSON / TOML / XML Converter

Data & Text

Convert between JSON, TOML, and XML formats with syntax highlighting.

Diff Tool

Data & Text

Compare two blocks of text and highlight added, removed, and changed lines.

Base64 Encoder / Decoder

Encoding & Crypto

Encode text or files to Base64 and decode Base64 strings back to text.

UUID Tools

Encoding & Crypto

Generate, validate, and inspect UUIDs (v1, v4, v5).

SQL Query Builder

SQL & Data

Build SELECT queries visually with joins, filters, and aggregations.

QR Code Generator

Generators

Generate QR codes from text or URLs with customizable size and colors.

Git Commit Generator

Generators

Build Conventional Commit messages with type, scope, and breaking flags.

Timestamp Converter

Converters

Convert Unix timestamps to human dates and vice versa, any timezone.

Color Contrast Checker

Design & Frontend

Check WCAG contrast ratios between foreground and background colors.