Request Headers

Explain what request header data is available in the browser.

Screen Info

Inspect screen, viewport, and pixel ratio.

Subnet Calculator

Calculate IPv4 subnet ranges from CIDR notation.

Timezone Info

Inspect local timezone and locale settings.

URL Parser

Break a URL into protocol, host, path, query, and hash parts.

What Is My IP

Look up your public IP address.

JSON Formatter

Prettify or minify JSON with configurable spacing.

Base64 Encode Decode

Encode text to Base64 or decode Base64 back to text.

URL Encode Decode

Encode text for URLs or decode URL-encoded text.

Hash Generator

Generate MD5, SHA, and FNV-1a hashes from text.

JWT Decoder

Decode JWT headers and payloads with optional HMAC signature verification.

Color Converter

Convert HEX, RGB, and HSL colors into multiple color formats.

Regex Tester

Test a regular expression against text and inspect matches.

Password Generator

Generate strong random passwords with length and character set controls.

UUID Generator

Generate a random UUID for identifiers and test data.

Word Counter

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

Meta Tag Generator

Generate title, description, robots, canonical, Open Graph, and Twitter card tags.

Slug Generator

Generate a clean URL slug from a title or phrase.

What Is My IP

Look up your public IP address.

Subnet Calculator

Calculate IPv4 subnet ranges from CIDR notation.