Code & Data Tools

Prettify, validate, and minify JSON in one click.

Generate JSON Schema from sample data.

Generate TypeScript types from JSON.

Convert between YAML and JSON formats instantly.

Format SQL with dialect-aware formatting.

Live Markdown editor with side-by-side HTML preview.

Create and export Mermaid diagrams live.

Encode and decode Base64 strings and files.

Decode and inspect JWT header, payload, and claims.

Convert between binary, hex, decimal & more.

Transform data between CSV, JSON, SQL, and TypeScript.

Test and debug regex patterns with live highlighting.

Compare text or code with side-by-side diff highlighting.

Generate MD5, SHA-1, SHA-256, SHA-512 hashes instantly.

Visualise JS bundle contents as an interactive treemap.

Generate realistic mock data for testing.

Encode and decode HTML entities instantly.

Prettify, minify, and validate HTML markup.

Prettify, minify, and sort CSS stylesheets.

Prettify and minify JavaScript & TypeScript code.

Visualize regex patterns as railroad diagrams.

Build git commands visually with options.

Visual builder for docker-compose.yml files.

Check bundle size of any npm package.

Convert SQL schemas to MongoDB, DynamoDB & Firestore.

Generate PR descriptions from git diffs.