Privacy
Everything runs locally. Your input never leaves this browser.
Format
JSON Format / Validate
– Pretty-print, minify and validate JSON
Line Sort / Dedupe
– Sort, dedupe, reverse and trim lines
Encode / Decode
Base64 Encode / Decode
– Convert text to and from Base64 (UTF-8)
URL Encode / Decode
– Percent-encode or decode URL components
HTML Entity Encode / Decode
– Escape and unescape HTML entities
Base64 Image Encode / Decode
– Turn images into data URIs and preview Base64 images
Backslash Escape / Unescape
– Escape quotes, newlines and control characters
Hex ↔ ASCII
– Convert text to hexadecimal bytes and back
JWT Debugger
– Decode JSON Web Token header and payload
Generate
UUID / ULID Generate / Decode
– Generate UUID v4 / v7 and ULID, and decode existing IDs
Hash Generator
– MD5, SHA-1, SHA-256, SHA-384 and SHA-512 digests
Random String Generator
– Cryptographically secure random strings
Lorem Ipsum Generator
– Placeholder text in paragraphs, sentences or words
QR Code Generate / Read
– Create QR codes and read them from images
Convert
World Time Converter
– Convert a time between time zones; starts from this computer's current time
Unix Time Converter
– Convert Unix timestamps and date strings
Number Base Converter
– Convert between binary, octal, decimal and hex
YAML ↔ JSON
– Convert YAML to JSON and back
CSV ↔ JSON
– Convert CSV to JSON and back
HTML to JSX
– Convert HTML markup into React JSX
Query String ↔ JSON
– Convert URL query strings to JSON and back
URL Parser
– Split a URL into its parts and query parameters
Color Converter
– Convert between HEX, RGB, HSL, HWB and CMYK
SVG to CSS
– Turn SVG markup into a CSS background data URI
JSON ↔ PHP Array
– Convert JSON to PHP array syntax and back
PHP Serialize / Unserialize
– Convert JSON to PHP serialize() format and back
Text
RegExp Tester
– Test regular expressions and inspect matches
String Case Converter
– camelCase, snake_case, kebab-case and more
String Inspector
– Count characters, bytes, words and inspect code points
Text Diff Checker
– Compare two texts by line, word or character
Inspect
Cron Job Parser
– Explain cron expressions and list upcoming run times
cURL Analyzer
– Break down a cURL command and convert it to fetch()
My IP Address
– See your public IPv4 and IPv6 addresses
X.509 Certificate Decoder
– Inspect PEM certificates and chains
Preview
Markdown Preview
– Render GitHub-flavored Markdown
HTML Preview
– Render HTML in a sandboxed frame