Developer Tools

Validate JSON files against a provided schema

Test and debug regular expressions with live preview

Convert between Base64 and URL-safe Base64 encoding

Generate MD5, SHA1, SHA256 hashes for files

Convert slugs back into human-readable text

Detect file MIME type and validate file extensions

Verify file integrity using checksums

View file contents in hexadecimal format

View and analyze binary file contents

View EXIF metadata from images (camera, date, location)

Combine multiple images into a sprite sheet

Remove EXIF metadata from images for privacy

Convert an image into multi-size .ico format

Convert between Unix timestamps and human-readable dates

Escape and unescape special characters for regular expressions

Count and analyze HTML entities in text

Generate QR codes from URLs or text using client-side library

Decode QR code images back to URLs or text

Validate text against specific character sets

Decode JSON Web Tokens into header, payload, and signature

Generate HMAC (Hash-based Message Authentication Code) with various algorithms

Analyze password strength, entropy, and security with detailed feedback

Build and test regular expressions with common patterns for emails, dates, numbers, and more

Convert text to escaped forms for JSON, JavaScript, Python, SQL, HTML, XML, CSV, and URL

Format and beautify code in various languages

Parse and analyze HTTP headers from requests and responses with detailed descriptions

Parse cron expressions and get human-readable descriptions with next run times

Add syntax highlighting to code

Preview HTML code in a sandboxed iframe with live updates and example templates

Create beautiful CSS gradients with visual editor and copy-ready code

Encrypt and decrypt text with various algorithms

Generate cron expressions with visual UI for task scheduling and automation

Pretty-print, minify, validate, and format JSON data with customizable options.

Convert times across different timezones with support for major world timezones

Generate .gitignore files with templates for popular frameworks and languages

Convert Unix timestamps to human-readable dates and vice versa

Format and generate .env files from key-value pairs with validation

Generate .dockerignore files with templates for different languages and frameworks

Generate correct CORS headers for cross-origin requests with visual configuration

Extract domain, subdomain, TLD, and URL components from any URL

Validate IPv4 and IPv6 addresses with detailed information and type detection

Calculate IP subnet ranges, CIDR notation, and network information

Simulate network ping responses for testing and educational purposes

Generate and format DNS record snippets for A, CNAME, MX, TXT records

Parse and format raw WHOIS data into structured, readable information

Lookup common TCP and UDP port numbers with service descriptions

Complete ASCII character table with decimal, hex, octal, and binary values

Browse Unicode characters, symbols, and emojis with hex codes and categories

Complete reference of HTTP status codes with descriptions and explanations

Search and lookup official MIME types for file extensions and content types