About this collection
Browser-based tools for JSON, XML, SQL, regex, encoding and everyday development work. 26 free tools.
Developer
Browser-based tools for JSON, XML, SQL, regex, encoding and everyday development work.
JSON Formatter & Validator
Validate, pretty-print or minify JSON data.
XML Formatter & Validator
Validate, format and minify XML locally in your browser.
SQL Formatter
Format SQL queries into a more readable layout using common keywords.
Base64 Encode / Decode
Encode UTF-8 text to Base64 or decode Base64 back to text.
URL Encode / Decode
Encode or decode text as a URL component.
JWT Decoder
Inspect JWT header and payload locally without verifying the signature.
UUID v4 Generator
Generate one or many secure UUID v4 values.
Hash Generator
Generate SHA-1, SHA-256, SHA-384 or SHA-512 hashes from text.
JSON ↔ CSV Converter
Convert locally between CSV and JSON arrays of objects.
Regex Tester
Test regular expressions with live matches, flags and replacement.
URL Parser
Break a URL into protocol, host, path, query and hash components.
HTML Entity Encode / Decode
Encode HTML special characters as entities or decode them back.
Number Base Converter
Convert between binary, octal, decimal and hexadecimal number systems.
Password Generator
Generate strong random passwords locally with configurable length and character sets.
Markdown Preview
Preview common Markdown syntax as HTML while you type.
Color Converter
Convert between HEX, RGB and HSL color values and preview the color.
List → SQL IN
Convert a line list into quoted and escaped values for an SQL IN (...) clause.
Cron Parser
Explain a basic 5-field cron expression and calculate upcoming run times.
Query String Parser
Parse URL query strings into key/value pairs or build a query string.
chmod Calculator
Convert Unix rwx permissions to numeric chmod values and back.
HTTP Status Code Lookup
Quickly look up common HTTP status codes and meanings.
MIME Type Lookup
Look up common file extensions and MIME types.
Regex Escape Tool
Escape text for safe literal use in a regular expression.
JSON Key Sorter
Recursively sort object keys in JSON alphabetically.
Basic JSON Path Reader
Read values from JSON using dot and [index] notation.
CSV Cleaner
Trim CSV cells, remove empty rows and convert delimiters.