All Tools

Free online developer tools — fast, private, and running in your browser.

Data(4)

JSON Formatter

Format, validate, and minify JSON data instantly.

Timestamp Converter

Convert Unix timestamps to human-readable dates.

UUID Generator

Generate random UUIDs (v4) with one click.

Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal.

Encoding(5)

Base64 Encode / Decode

Encode or decode Base64 strings online.

URL Encode / Decode

Encode or decode URL components.

Hash Generator

Generate SHA-1, SHA-256, SHA-512 hashes from text.

Password Generator

Generate strong, secure random passwords with custom length and character rules.

HTML Entity Encode / Decode

Encode special characters to HTML entities and decode them back.

Text(5)

Case Converter

Convert text between camelCase, snake_case, and more.

Text Diff Checker

Compare two texts and highlight the differences.

Lorem Ipsum Generator

Generate placeholder text for your designs.

Word Counter

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

Markdown Preview

Write and preview Markdown in real time with GitHub Flavored Markdown support.

API(3)

JWT Decoder

Decode and inspect JWT tokens without verification.

HTTP Status Codes

Quick reference for HTTP status codes and meanings.

Regex Tester

Test and debug regular expressions in real time.

Image(3)

PNG to ICO Converter

Convert PNG/JPG/SVG to a multi-size .ico favicon file.

Image to Base64

Convert PNG, JPG, GIF, WebP, or SVG to a Base64 Data URL for embedding in HTML or CSS.

QR Code Generator

Generate QR codes for URLs, text, WiFi, and contacts. Customize colors and download as PNG.

Network(1)

My IP Address

Find your public IP address, location, ISP, and timezone instantly.