Developer Tools

Color Converter & Picker

Convert colors between HEX, RGB, HSL, and OKLCH. Includes a visual color picker.

Developer Tools

Hash Generator

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

Developer Tools

UUID / ULID Generator

Generate RFC 4122 UUID v4 identifiers and ULIDs in bulk. Copy one or all at once.

Developer Tools

Regex Tester

Test regular expressions live against custom input. Highlights matches and displays capture groups.

Developer Tools

JWT Decoder

Decode and inspect JWT tokens client-side. Reads the header, payload, and expiry without sending data anywhere.

Developer Tools

URL Encoder / Decoder

Encode and decode URL components and full URLs. Supports both encodeURI and encodeURIComponent modes.

Developer Tools

Cron Expression Explainer

Parse any cron expression and get a plain-English explanation plus the next 5 scheduled run times.

Developer Tools

Password Generator

Generate strong random passwords with configurable length and character sets. Live strength meter included.

Developer Tools

Timestamp Converter

Convert Unix timestamps to human-readable dates and back. Supports seconds and milliseconds.

Developer Tools

Number Base Converter

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

Developer Tools

QR Code Generator

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

Developer Tools

CSS Gradient Generator

Build linear and radial CSS gradients visually. Live preview and copy-ready CSS output.

Developer Tools

Lorem Ipsum Generator

Generate Lorem Ipsum placeholder text by word count, sentence count, or paragraph count.

Developer Tools

CSS Specificity Calculator

Enter any CSS selector and instantly get its specificity score (a, b, c). Compare two selectors to see which wins.

Developer Tools

HTTP Status Code Reference

Look up any HTTP status code: meaning, use cases, and whether it is cacheable. Covers all 1xx–5xx codes.

Developer Tools

.htaccess Generator

Build an Apache .htaccess file with checkboxes: HTTPS redirect, www/non-www, custom 404, cache rules, CORS, and more.

Developer Tools

DNS Lookup

Query A, AAAA, MX, TXT, CNAME, NS, and SOA records for any domain using Cloudflare DNS-over-HTTPS. No server needed.

Developer Tools

IP Address Info

Detect your public IP address and look up geolocation, ISP, and ASN for any IP using a public API.