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ToolDesk

ToolDesk — free browser-based utility tools

Everything runs in your browser.

Character Count

Compute

Count characters, words, lines and bytes as you type. Handles Japanese and emoji correctly.

JSON Formatter

Dev

Prettify or minify JSON with error position. Auto-detected on paste.

Color Converter

Design

Convert between HEX, RGB and HSL with a live preview and one-click copy.

Date Calculator

Compute

Days between two dates, or N days before/after. Enter as YYYY-MM-DD.

Base64

Dev

Encode or decode text to and from Base64. Handles UTF-8 correctly.

Unit Converter

Compute

Convert length, weight, temperature and data size instantly.

QR Code Generator

Generate

Generate a QR code from a URL or text. Download as PNG or SVG.

Image Compressor

Design

Compress images in your browser. Nothing is uploaded. Compare before/after size.

Text Diff

Dev

Compare two texts line by line. Additions and deletions shown in color.

JWT Decoder

Dev

Decode the header and payload of a JWT. Signature is not verified.

Password Generator

Generate

Generate secure passwords with cryptographic randomness. Choose length and character sets.

Schedule Poll

Text

Pick candidate dates, share a URL, collect answers and auto-rank the best date.