Free Online Tools

Fast, free, no sign-up. JSON formatter, Base64 encoder, UUID generator, and more.

All Tools

Format, validate, and beautify JSON data with syntax highlighting

Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 back to plain text

Generate random UUIDs (v4) instantly with one click

URL Encoder/Decoder

Encode special characters in URLs or decode URL-encoded strings back to plain text

Count words, characters, sentences, paragraphs, and estimate reading time

Generate SHA-1, SHA-256, and SHA-512 cryptographic hashes from any text

Pick a color and get HEX, RGB, and HSL values. Convert between color formats

Lorem Ipsum Generator

Generate lorem ipsum placeholder text paragraphs instantly

Markdown to HTML

Convert Markdown to HTML with support for headers, bold, italic, links, and lists

Timestamp Converter

Convert Unix timestamps to human-readable dates or dates to Unix timestamps

Paste CSV data and instantly convert it to a formatted JSON array

QR Code Generator

Generate QR codes from any text or URL. Download as PNG for free

HTML Entity Encoder/Decoder

Encode special characters to HTML entities or decode HTML entities back to text