All 66 tools
Search by name, filter by category, switch the layout — every tool runs locally in your browser.
JSON Formatter
Pretty-print and indent JSON instantly.
JSON Minifier
Strip whitespace to compress JSON.
JSON Validator
Check if JSON is syntactically valid.
JSON to CSV
Convert a JSON array of objects into CSV.
JSON to XML
Translate JSON into well-formed XML.
JSON to YAML
Convert JSON into readable YAML.
JSON Diff
Compare two JSON objects visually.
JSON Key Sorter
Sort JSON object keys alphabetically.
JSON Escape/Unescape
Escape or unescape JSON strings.
JSON Schema Validator
Validate JSON against a schema.
Base64 Encode/Decode
Encode or decode Base64 text.
URL Encode/Decode
Percent-encode or decode URLs.
JWT Decoder
Decode JWT header and payload (no signature verification).
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes.
Password Generator
Create strong random passwords.
HMAC Generator
Compute HMAC with SHA-256/384/512.
Bcrypt Generator
Generate bcrypt password hashes.
AES Encrypt/Decrypt
Encrypt or decrypt text using AES.
RSA Key Generator
Generate public/private RSA keys.
QR Code Generator
Generate QR codes from text or URLs.
API Request Tester
Send HTTP requests from your browser.
HTTP Headers Checker
Inspect response headers of any URL.
IP Finder
Look up your public IP and basic info.
User-Agent Parser
Parse a UA string into browser/OS/device.
DNS Lookup
Resolve A, AAAA, MX, TXT records via DoH.
cURL Converter
Convert a cURL command to fetch() code.
HTTP Status Checker
Check website status codes instantly.
Port Checker
Test if a server port is open.
SSL Checker
Inspect SSL certificate details of a domain.
WebSocket Tester
Connect and test WebSocket endpoints.
HTML Beautifier
Format and indent HTML markup.
CSS Minifier
Remove whitespace and comments from CSS.
JS Minifier
Compact JavaScript by removing whitespace.
Code Diff
Compare two text blobs line-by-line.
Regex Tester
Test regular expressions against sample text.
Text Case Converter
Convert text between case styles.
SQL Formatter
Beautify and format SQL queries.
Markdown Preview
Render Markdown into HTML preview.
XML Formatter
Beautify and validate XML content.
YAML Validator
Validate YAML syntax instantly.
Cron Parser
Explain cron expressions in plain English.
JWT Generator
Create test JWT tokens for development.
Timestamp Converter
Convert between Unix timestamps and dates.
UUID Generator
Generate v4 UUIDs.
Color Converter
Convert between HEX, RGB, and HSL.
Lorem Ipsum Generator
Generate placeholder text by paragraphs/words.
Random Number
Pick random integers in any range.
Word Counter
Count words, characters, sentences, lines.
Unit Converter
Convert length, weight, speed, and more.
Timezone Converter
Convert time between global timezones.
Age Calculator
Calculate exact age from date of birth.
EMI Calculator
Calculate loan EMI payments instantly.
Percentage Calculator
Calculate percentages and changes.
Binary Converter
Convert binary, decimal, octal, and hex.
Image Compressor
Reduce image size without losing quality.
Image Resizer
Resize images to custom dimensions.
Image to Base64
Convert images into Base64 strings.
WebP Converter
Convert JPG/PNG images to WebP format.
Video Thumbnail Downloader
Fetch thumbnails from video URLs.
Favicon Generator
Generate favicons for websites.
.ENV Parser
Parse and validate .env configuration files.
.gitignore Generator
Generate gitignore files for frameworks.
Meta Tag Generator
Create SEO and OpenGraph meta tags.
robots.txt Generator
Generate robots.txt for SEO.
Sitemap Generator
Create XML sitemaps for websites.
Package.json Viewer
Inspect dependencies from package.json.