Free SEO & Developer Tools
97+ free tools for SEO, developers, designers, and marketers. No login required.
SEO Tools
17Meta Tag Generator
Generate SEO meta tags, Open Graph, and Twitter Card tags for your website
Robots.txt Generator
Create robots.txt files to control search engine crawling
XML Sitemap Generator
Generate XML sitemaps for better search engine indexing
SERP Simulator
Preview how your page appears in Google search results
Keyword Density Checker
Analyze keyword frequency and density in your content
Schema Markup Generator
Generate JSON-LD structured data for FAQ, Article, Product, and more
Heading Tags Checker
Analyze H1-H6 heading structure of any webpage
Redirect Chain Checker
Trace redirect paths and check HTTP status codes
SSL Certificate Checker
Validate SSL certificate status and expiration date
Page Speed Test
Analyze website loading speed and performance metrics
.htaccess Redirect Generator
Generate .htaccess rules for redirects, HTTPS, and WWW
UTM Campaign Builder
Build Google Analytics UTM tracking URLs
Hreflang Tag Generator
Generate and validate hreflang tags for multi-language sites
Open Graph Checker
Preview and validate Open Graph meta tags for social sharing
Link Analyzer
Analyze internal and external links on any webpage
Title & Meta Description Checker
Check title and meta description length with SERP preview
Keyword Permutation Tool
Generate all possible keyword combinations from word lists
Text Tools
8Word Counter
Count words, characters, sentences, paragraphs, and reading time
Character Counter
Count characters with and without spaces, perfect for social media limits
Lorem Ipsum Generator
Generate placeholder text for design and development
Case Converter
Convert text between UPPER, lower, Title, camelCase, snake_case
Text Diff / Compare
Compare two texts and see differences highlighted
Word Frequency Counter
Count word occurrences and frequency in your text
Fancy Text Generator
Generate bold, italic, bubble, and special Unicode text styles
Invisible Character Generator
Copy zero-width and blank invisible characters
Developer Tools
10JSON Formatter & Validator
Format, minify, and validate JSON data with syntax highlighting
JSON Tree Viewer
Visualize JSON data as an interactive tree structure
Regex Tester
Test regular expressions with live matching and highlighting
JavaScript Minifier
Minify and beautify JavaScript code
HTML Minifier
Minify and beautify HTML code
CSS Minifier
Minify and beautify CSS stylesheets
SQL Formatter
Format and beautify SQL queries
Cron Expression Generator
Build cron expressions with a visual editor
JWT Decoder
Decode and inspect JSON Web Tokens
Markdown Editor
Write markdown with live preview side by side
Converter Tools
13CSV to JSON
Convert CSV data to JSON format
JSON to CSV
Convert JSON arrays to CSV format
XML to JSON
Convert XML data to JSON format
YAML to JSON
Convert YAML to JSON and vice versa
URL Encoder / Decoder
Encode and decode URL strings
Base64 Encoder / Decoder
Encode and decode text to Base64 format
HTML Entity Encoder
Encode and decode HTML entities
Unit Converter
Convert between units of length, weight, temperature, and more
Timestamp Converter
Convert Unix timestamps to dates and vice versa
Color Converter
Convert colors between HEX, RGB, HSL, and CMYK
Number Base Converter
Convert between binary, decimal, hexadecimal, and octal
PX to REM Converter
Convert between px and rem CSS units
HTML to Markdown
Convert HTML code to Markdown format
Design Tools
12QR Code Generator
Generate custom QR codes for URLs, WiFi, contacts, and more
Color Palette Generator
Generate beautiful color palettes with one click
CSS Gradient Generator
Create CSS gradients with a visual editor
Color Contrast Checker
Check WCAG AA/AAA color contrast compliance
Color Picker
Pick and explore colors with HEX, RGB, and HSL values
Favicon Generator
Generate favicons in all sizes with HTML code
Image to Base64
Convert images to Base64 encoded data URI strings
Placeholder Image Generator
Generate placeholder images with custom dimensions and colors
Aspect Ratio Calculator
Calculate and convert aspect ratios for images and video
Social Media Image Resizer
Resize images for all social media platforms in one click
Image Compressor
Compress images without losing quality - JPG, PNG, WebP
Image Format Converter
Convert between PNG, JPG, WebP, and other image formats
Generator Tools
6Password Generator
Generate strong, secure passwords with custom options
UUID Generator
Generate random UUIDs (v4) and other unique identifiers
Random String Generator
Generate random strings, hex, and custom character sets
Email Signature Generator
Create professional HTML email signatures
Privacy Policy Generator
Generate privacy policies for your website
Terms & Conditions Generator
Generate terms and conditions for your website
Checker & Validator
9Domain & WHOIS Checker
Check domain availability and WHOIS registration info
DNS Lookup
Query DNS records for any domain - A, AAAA, MX, CNAME, TXT
Plagiarism Checker
Check text for duplicate content and plagiarism
Email Validator
Validate email address format and domain
HTTP Header Checker
Inspect HTTP request and response headers of any URL
Technology Lookup
Detect technologies, CMS, and frameworks used by any website
Mobile Friendly Test
Check if your website is mobile-responsive
Robots.txt Checker
Validate and test robots.txt file syntax
IP Address Lookup
Look up geolocation and details for any IP address
Social Media Tools
10WhatsApp Link Generator
Create wa.me links with pre-filled messages and QR codes
Hashtag Generator
Generate relevant hashtags for social media posts
Hashtag Counter
Count hashtags and check Instagram 30 limit
Engagement Rate Calculator
Calculate social media engagement rate with benchmarks
Caption Formatter
Format text with bold, italic, and special characters for social media
Twitter Thread Splitter
Split long text into tweet-sized threads
YouTube Thumbnail Downloader
Download YouTube video thumbnails in all sizes
YouTube Timestamp Link Generator
Create shareable timestamped YouTube links
YouTube Embed Code Generator
Generate custom YouTube embed codes with options
YouTube Tag Extractor
Extract tags and metadata from YouTube videos
PDF Tools
3Security Tools
2Calculators
7ROI Calculator
Calculate Return on Investment, ROAS, and net profit
A/B Test Calculator
Check statistical significance of A/B test results
CPM / CPC / CTR Calculator
Calculate advertising metrics - CPM, CPC, CTR, and ROAS
Discount Calculator
Calculate discounts, final prices, and savings
Age Calculator
Calculate exact age in years, months, and days
Salary Calculator
Convert between annual, monthly, weekly, and hourly salary
Tip Calculator
Calculate tips and split bills between people
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