Developer Tools
JSON, Regex, API & more
59 tools available
JSON
10 toolsJSON Formatter
Format, validate and beautify JSON
JSON Minifier
Compress JSON by removing whitespace
JSON Validator
Check if JSON syntax is valid
JSON Escape / Unescape
Escape or unescape JSON strings
JSON to YAML
Convert JSON data to YAML format
YAML to JSON
Convert YAML data to JSON format
JSON to XML
Convert JSON data to XML format
XML to JSON
Convert XML data to JSON format
JSON Diff Viewer
Compare two JSON objects side by side
JSON Schema Validator
Validate JSON against a JSON Schema
Regex
4 toolsRegex Tester
Test regular expressions with live matching
Regex Cheat Sheet
Quick reference for regex syntax
Regex Generator
Build regex patterns from examples
Regex Replace Tester
Test find-and-replace with regex
Encoding & Decoding
8 toolsBase64 Encode
Encode text to Base64 format
Base64 Decode
Decode Base64 strings to plain text
URL Encode
Encode special characters for URLs
URL Decode
Decode URL-encoded strings
HTML Encode
Encode HTML special characters
HTML Decode
Decode HTML entities to plain text
Unicode Encode
Convert text to Unicode escape sequences
Unicode Decode
Decode Unicode escape sequences
JWT
3 toolsJWT Decoder
Decode and inspect JSON Web Tokens
JWT Encoder
Create and sign JSON Web Tokens
JWT Expiry Checker
Check JWT expiration and claims
Hash & Crypto
6 toolsMD5 Generator
Generate MD5 hash from any text
SHA1 Generator
Generate SHA-1 hash from any text
SHA256 Generator
Generate SHA-256 hash from any text
SHA512 Generator
Generate SHA-512 hash from any text
Bcrypt Generator
Generate bcrypt password hashes
HMAC Generator
Generate HMAC signatures with a secret key
UUID & IDs
3 toolsUUID v4 Generator
Generate random UUID v4 identifiers
Bulk UUID Generator
Generate multiple UUIDs at once
NanoID Generator
Generate compact unique NanoID strings
Text Utilities
7 toolsCase Converter
Convert text between upper, lower and title case
Remove Duplicate Lines
Remove duplicate lines from text
Sort Lines
Sort lines of text alphabetically
Reverse Text
Reverse characters or words in text
Text Diff Checker
Compare two texts and highlight differences
Word Counter
Count words, sentences and paragraphs
Character Counter
Count characters with and without spaces
Date & Time
6 toolsUnix Timestamp Converter
Convert Unix timestamps to readable dates
Timestamp Generator
Generate current or custom Unix timestamps
Timezone Converter
Convert dates between time zones
Date Difference Calculator
Calculate the difference between two dates
Cron Expression Parser
Parse cron expressions into human-readable text
Cron Expression Generator
Build cron expressions visually
API Tools
5 toolsHTTP Header Viewer
Parse and inspect HTTP request headers
User Agent Parser
Parse browser user agent strings
CURL Generator
Generate cURL commands from HTTP requests
REST Request Builder
Build and test REST API requests
HTTP Status Code Lookup
Look up HTTP status codes and meanings
Network
5 toolsIP Address Lookup
Look up IP address geolocation and info
CIDR Calculator
Calculate CIDR ranges and subnet masks
Subnet Calculator
Calculate subnet details from IP and mask
DNS Lookup
Look up DNS records for any domain
Port Number Reference
Reference common TCP/UDP port numbers
SQL
3 toolsSQL Formatter
Format and beautify SQL queries
SQL Minifier
Minify SQL by removing whitespace
SQL Beautifier
Beautify SQL with proper indentation
HTML / CSS / JS
6 toolsHTML Formatter
Format and beautify HTML code
CSS Formatter
Format and beautify CSS code
JS Formatter
Format and beautify JavaScript code
CSS Minifier
Minify CSS by removing whitespace
JS Minifier
Minify JavaScript code
HTML Minifier
Minify HTML by removing whitespace
Developer Productivity
6 toolsLorem Ipsum Generator
Generate placeholder Lorem Ipsum text
Fake Data Generator
Generate realistic fake test data
Random String Generator
Generate random strings of any length
Password Generator
Generate strong secure passwords
QR Code Generator
Generate QR codes from text or URLs
QR Code Reader
Decode QR codes from uploaded images