Find the right tool

Format, validate, and indent JSON directly in your browser.

Convert images between PNG, JPEG, and WebP without uploading them.

Create strong, customizable passwords with secure randomness from your browser.

Convert measurements across eight categories, swap units, and compare equivalent values instantly.

Normalize environment-file spacing while preserving comments and values.

Encrypt or decrypt text with AES-GCM and a password using Web Crypto.

Calculate current age and the next birthday from a birth date.

Compose browser-local HTTP requests and export them as cURL, Fetch, Axios, or HTTPie.

Encode text to Base64 or decode Base64 to plain text.

Convert text to binary or binary to text with ease.

Turn one title per line into clean URL-safe slugs.

Count working days with custom weekends, holidays, and inclusive date controls.