🔐 Password Generator

Generate strong passwords in your browser. Nothing is sent anywhere.

📋 JSON Formatter

Paste JSON, then copy or download it pretty or minified.

📱 QR Code Creator

Turn a URL, text, or Wi-Fi network into a QR code.

Style

📊 Excel Converter

Convert a spreadsheet to CSV, HTML, Markdown, or JSON. Files never leave your browser.

Drop Excel file here
or
Powered by SheetJS • Conversion stays in your browser

✍️ Text Converter

Change case, encode, or cipher text. Transforms happen in place (browser undo still works).

0 characters • 0 words

Case & Formatting

Encoding & Ciphers

Caesar Cipher (adjustable shift)

📅 Date Calculator

Count days between dates, or add and subtract years, months, and days.

Days Between

Counts whole days from the start date up to, but not including, the end date.

Add / Subtract Date
Operation

🔢 Base64 Encoder / Decoder

Encode or decode text and files as Base64. 100% in-browser.

UTF-8 safe • Supports images and any file

🎨 Color Picker

Paste any format, pick from the screen, and copy HEX, RGB, or HSL.

Color Harmonies
Project palette
Contrast Checker (AA / AAA)
The quick brown fox