All Tools
58 tools available, continuously updated...
Encoding / Decoding (9)
Base64 Encode / Decode
Encode or decode text using Base64.
URL Encode / Decode
Percent-encode or decode URLs.
HTML Entity Encode
Encode or decode HTML entities for safe HTML output.
Unicode Escape
Convert text to/from Unicode escape sequences (\uXXXX).
Hex Encode / Decode
Convert text to/from hexadecimal (0x or raw hex).
Morse Code
Convert text to/from Morse code (dots and dashes).
Punycode Encode / Decode
Convert domain names to/from Punycode (IDN).
JSON String Escape
Escape or unescape strings for JSON (\n \" \uXXXX).
ASCII / Code Point Lookup
Look up character code points in decimal and hexadecimal.
Code Formatting (7)
JSON Formatter
Format, compress and validate JSON data.
XML Formatter
Format, compress and pretty-print XML.
HTML Formatter
Format, compress and pretty-print HTML code.
JavaScript Formatter
Format, compress and pretty-print JavaScript code.
CSS Formatter
Format, compress and pretty-print CSS code.
SQL Formatter
Format, compress and pretty-print SQL queries.
YAML Formatter
Format and validate YAML, and convert it to JSON.
Encryption / Hash (5)
Hash Calculator
Calculate MD5, SHA1, SHA256 and other hash values.
HMAC Calculator
Compute HMAC message authentication codes with SHA-1/SHA-256/SHA-384/SHA-512.
AES Encrypt / Decrypt
AES-GCM symmetric encryption and decryption with passphrase-derived keys.
File Hash
Compute MD5, SHA-256 and other hashes for files to verify downloads or compare files.
RSA Encrypt / Decrypt
Generate RSA key pairs and encrypt with public key, decrypt with private key.
Converters (4)
Generators (5)
UUID Generator
Generate various versions of UUID/GUID.
Password Generator
Generate secure random passwords with custom length and character sets.
Password Checker
Check password strength using Google-style rules and get security advice.
QR Code Generator
Generate QR codes with custom styles and export formats.
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text by words, sentences or paragraphs.
Text Utilities (4)
Text Diff
Compare two texts and highlight added, removed and unchanged parts.
Text Statistics
Count characters, words, lines and more from text.
Text Case Converter
Convert text between camelCase, snake_case, kebab-case and more.
Number to Chinese Uppercase
Convert Arabic numbers to Chinese uppercase numbers, including currency style.
Time Utilities (8)
Timestamp Converter
Convert Unix timestamps to date time and back.
Date Calculator
Calculate date differences, add/subtract days and count workdays.
Timezone Converter
Convert date and time from one timezone to another.
Cron Expression
Parse cron expressions to show next run times, or generate cron from options.
Duration Converter
Convert between seconds/milliseconds and days, hours, minutes, seconds.
ISO 8601 Parser
Parse or format ISO 8601 date-time strings.
Age Calculator
Calculate age from birth date in years, days, or hours.
World Clock
Show current time in multiple timezones at once.
Network Tools (9)
IP Lookup
Look up IP geolocation, ISP, ASN and more.
URL Parser
Parse URL components and edit query parameters.
User Agent Parser
Parse browser User Agent strings to detect browser, OS and device.
HTTP Status Codes
Look up HTTP status codes and their detailed meanings.
WHOIS Lookup
Query domain WHOIS records such as registrar and expiry date.
Port Checker
Check whether specific ports on a host are open.
DNS Lookup
Query DNS records like A, AAAA, CNAME, MX and more.
Subnet Calculator
Calculate CIDR subnet details like network, broadcast and host count.
MAC Lookup
Look up vendor information for MAC addresses.
Image Tools (5)
Color Converter
Convert between RGB, HEX and HSL color formats.
Image Compressor
Compress image file size with quality and size limits.
Image Format Converter
Convert images between JPEG, PNG, WebP and other formats.
Image Base64
Convert images to and from Base64 Data URLs.
Image Info Viewer
Inspect image details such as size, format and alpha channel.