Useful tools. No unnecessary steps.

Fast, clean utilities for formatting, encoding, compressing, and calculating directly inside your web browser.

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Encode plain text to Base64 or decode Base64 strings back to readable UTF-8 text instantly.

Convert USD, EUR, GBP, INR, CAD, AUD, JPY with live forex exchange rates and local caching.

Reduce PNG, JPG, and WebP file sizes up to 80% with configurable compression quality entirely in browser.

Format, validate and minify JSON locally in your browser with clear syntax errors and copy controls.

Calculate percentage of numbers, percent increase, percentage decrease, and growth rate instantly.

Convert meters, feet, inches, kilometers, miles, and yards with real-time bidirectional calculations.

Format, validate, minify, inspect, and convert JSON data online.

Encode and decode Base64 text and binary data.

Compress, convert, and optimize images locally.

Convert foreign exchange rates with live market data.

Calculate percentage values, percent change, and growth rates.

Convert length, distance, weight, and volume units.

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ShadTools processes input data locally inside your web browser. Snippets, numbers, and uploaded files are never transmitted to remote servers.