Free Online Tools
70+ practical tools for website checks, developers, images, text, calculations, and conversions. Zero signup. Zero cost.
Writing Tools
5 toolsDeveloper Tools
17 toolsJSON Formatter
Format, validate, and beautify JSON data instantly
JSON Validator
Validate JSON syntax and find errors quickly
JSON to CSV
Convert JSON data to CSV format
CSV to JSON
Convert CSV files to JSON format
XML Formatter
Format and beautify XML documents
YAML ↔ JSON
Convert between YAML and JSON formats
SQL Formatter
Format and beautify SQL queries
Regex Tester
Test and debug regular expressions
CSS Minifier
Minify CSS for faster load times
JS Minifier
Minify JavaScript for production
HTML Encoder
Encode and decode HTML entities
JWT Decoder
Decode and inspect JSON Web Tokens
Cron Generator
Build and validate cron expressions
Markdown Preview
Write and preview Markdown in real-time
Meta Tag Generator
Generate SEO meta tags for your pages
Robots.txt Generator
Create robots.txt files for your site
Binary/Hex/Decimal Converter
Convert between binary, hex, decimal, and octal
Text Tools
9 toolsWord Counter
Count words, characters, sentences and paragraphs
Case Converter
Convert text between different cases
Lorem Ipsum
Generate placeholder text for your designs
Text Diff
Compare two texts and see differences
Slug Generator
Create URL-friendly slugs from text
ASCII Converter
Convert text to ASCII codes and back
URL Encoder
Encode and decode URLs safely
Text to Speech
Convert text to speech with customizable voices
Social Media Character Counter
Character limits for Twitter, Instagram, TikTok, LinkedIn
Encoding & Security
7 toolsPassword Generator
Generate strong, secure passwords
Hash Generator
Generate MD5, SHA-1, SHA-256 hashes
Base64 Encoder
Encode and decode Base64 strings
Base64 Image Encoder
Convert images to Base64 data URIs
UUID Generator
Generate unique UUIDs/GUIDs
Credit Card Validator
Validate credit card numbers (Luhn check)
IBAN Validator
Validate international bank account numbers
Image & Design
7 toolsImage Compressor
Compress images without losing quality
Image Resizer
Resize images to exact dimensions
Color Picker
Pick colors and get HEX, RGB, HSL values
Gradient Generator
Create beautiful CSS gradients
Color Palette Generator
Generate random harmonious color palettes
Placeholder Image Generator
Generate custom placeholder images with any dimensions
Image Cropper
Upload, crop, and download images in your browser
Calculators
8 toolsPercentage Calculator
Calculate percentages, increases, and discounts
BMI Calculator
Calculate your Body Mass Index
Loan Calculator
Calculate monthly payments and interest
Mortgage Calculator
Calculate mortgage payments and amortization
Age Calculator
Calculate exact age between two dates
Aspect Ratio Calculator
Calculate width or height from any aspect ratio
Date Difference Calculator
Calculate days, weeks, weekdays, and calendar time between dates
Unit Converter
Convert length, weight, temperature, area, volume, and more
Website, Network & System
15 toolsIP Lookup
Look up IP address location and details
DNS Lookup
Query DNS records for any domain
WHOIS Lookup
Look up domain registration info
Timestamp Converter
Convert between Unix timestamps and dates
Timezone Converter
Convert times between timezones
Unix Permissions
Calculate Unix file permission values
URL Shortener Preview
See where shortened URLs actually redirect
Redirect Checker
Trace every redirect and confirm the final URL
HTTP Status Checker
Check live response codes, redirects, and response time
Website Metadata Checker
Inspect titles, descriptions, canonicals, and social tags
Canonical Tag Checker
Find missing, duplicate, or mismatched canonical URLs
Robots.txt Checker
Inspect live crawl rules and declared sitemaps
XML Sitemap Checker
Read sitemap URLs, dates, and sitemap indexes
URL Indexability Checker
Test status, robots directives, and canonical signals
Security Headers Checker
Audit six important browser security headers