Category
Developer
Developer tools
Showing 35 tools
Base64 Validator
Validate Base64 encoded strings and check padding correctness.
Code Beautifier
Beautify and format code — HTML, CSS, JavaScript, JSON, XML.
Code Diff Checker
Compare two code snippets and highlight line-by-line differences.
Cron Expression Generator
Generate cron expressions with a visual scheduler — no syntax memorization needed.
Cron Expression Parser
Parse and explain any cron expression in plain English.
CSS Minifier
Minify CSS files by removing comments, whitespace and optimizing syntax. Shows size savings.
HTML Encoder
Encode HTML entities to safely display code in web pages. Prevents XSS attacks by converting <, >, &, and " to safe HTML entities.
HTML Formatter
Format and beautify HTML code with proper indentation and structure.
HTML to Text Converter
Strip HTML tags and convert to plain text. Preserves structure.
IP Address Lookup
Look up IP address information including location, ISP and network details using public APIs.
IP Range Generator
Generate IP ranges from CIDR notation or start/end IP addresses.
IPv4 Validator
Validate IPv4 addresses and check subnet, class and binary format.
IPv6 Validator
Validate IPv6 addresses and expand/compress them to canonical form.
JavaScript Minifier
Minify JavaScript by removing comments and whitespace. Shows byte savings instantly.
JSON Diff Tool
Compare two JSON objects and highlight the differences visually.
JSON Formatter
Format, validate, and beautify JSON data with syntax highlighting.
JSON Minifier
Minify or prettify JSON with size comparison. Validates JSON and shows byte savings.
JSON Path Tester
Test JSONPath expressions against JSON data and extract values.
JSON to YAML Converter
Convert JSON to YAML format. Clean, human-readable YAML output.
JSON Validator
Validate JSON with detailed error messages, line numbers, key count and nesting depth.
Markdown Preview
Preview Markdown as formatted HTML with live split-pane editor
Markdown Preview Tool
Live preview Markdown as rendered HTML in real time.
Regex Tester
Test regular expressions with live highlighting. Supports global, case-insensitive and multiline flags with match details.
SQL Formatter
Format SQL queries with proper indentation and keyword capitalization.
Stack Trace Formatter
Format and clean up Java, Python, JavaScript stack traces.
Timestamp Converter
Convert between Unix timestamps, ISO dates, and human-readable formats
Url Encoder
Encode and decode URLs instantly. Handles special characters, query strings, and full URIs.
URL Parser
Parse any URL into components: protocol, hostname, path, query parameters and hash. Instant breakdown.
User Agent Parser
Parse browser user agent strings to extract browser name, version, OS and device type.
UUID Validator
Validate and parse UUID/GUID strings. Check version and format.
XML Formatter
Format and prettify XML documents with proper indentation. Validates XML structure and highlights errors.
XML Validator
Validate XML documents and get detailed error messages with line numbers.
YAML to JSON Converter
Convert YAML to JSON format instantly. Supports nested structures and arrays.
YAML Validator
Validate YAML syntax and format. Get detailed error messages.