Free Online Tools for SEO, Development & More
Keyword extractor, meta tag generator, SERP preview, JSON formatter, password generator, BMI calculator, image compressor, Base64 encoder, and many more free tools. 100% private, works in your browser.
Free Text Tools
Free text tools to convert case, count words, remove duplicates, find & replace, and clean whitespace. No signup, 100% private.
Word Counter
Free word counter online & character counter. Count words, sentences, paragraphs instantly. Word count checker with reading & speaking time. No signup.
Case Converter
Change text case instantly. Free online case converter for uppercase, lowercase, Title Case, camelCase, snake_case, kebab-case and more. No signup required.
Remove Duplicate Lines
Free duplicate line remover online. Delete repeated lines from text, email lists, keywords and data sets instantly. Case-insensitive dedupe, trim whitespace, sort alphabetically, preview removed lines. No signup, 100% browser-based.
Find and Replace Online
Free online find and replace tool. Search text and replace words, phrases or patterns instantly. Supports regex, case-sensitive and whole word matching. No signup, works in browser.
Remove Extra Spaces
Free tool to remove extra spaces, leading, trailing spaces and whitespace from text online. Strip tabs, line breaks, double spaces. No signup, 100% browser-based.
Sort Lines Alphabetically
Sort text lines alphabetically A-Z, Z-A, by length or randomly online. Free line sorter with options to remove empty lines and duplicates. Instant results.
Extract Emails from Text
Free email extractor tool to pull email addresses from any text. Remove duplicates, sort by domain, export as list. No signup, privacy-first, instant results.
Slug Generator
Free URL slug generator. Convert text to SEO-friendly URL slugs with hyphens, underscores or custom separators. Remove stop words, transliterate accents. Instant results.
HTML to Text Converter
Free HTML to text converter online. Strip HTML tags, extract clean plain text from HTML code or web pages. Remove scripts, styles, decode entities. Upload HTML file or paste code.
SEO Tools
Free SEO tools for keyword extraction, meta tag generation, SERP preview, robots.txt, sitemap, schema markup, and heading analysis. No signup.
Keyword Extractor
Extract keywords from any text using RAKE, TF-IDF, and AI analysis. Get keyword density, frequency, and SEO scoring.
Keyword Density Checker
Check keyword density and frequency in your content. Optimize keyword distribution for better SEO rankings.
Meta Tag Generator
Generate SEO-optimized meta tags for your website. Create title tags, meta descriptions, and keyword tags instantly.
Meta Tag Analyzer
Analyze meta tags of any website URL. Check title tags, descriptions, Open Graph, Twitter Cards, and more.
Google SERP Preview
Preview how your page appears in Google search results. Optimize title and description for maximum click-through rate.
Robots.txt Generator
Generate a robots.txt file for your website. Control search engine crawling and indexing with proper directives.
XML Sitemap Generator
Generate XML sitemaps for your website. Help search engines discover and index all your pages efficiently.
Schema Markup Generator
Generate JSON-LD schema markup for your website. Create structured data for rich snippets in search results.
Heading Analyzer
Analyze your website's heading structure (H1-H6). Ensure proper hierarchy for SEO and accessibility compliance.
Open Graph Generator
Generate Open Graph meta tags for social media sharing. Optimize how your content appears on Facebook, LinkedIn, and more.
Twitter Card Generator
Generate Twitter Card meta tags for your website. Control how your content appears when shared on Twitter/X.
Canonical Tag Generator
Generate canonical link tags to prevent duplicate content issues. Specify the preferred URL for search engines.
Hreflang Tag Generator
Generate hreflang tags for multilingual websites. Tell search engines which language version to show to which users.
Redirect Checker
Check URL redirect chains and status codes. Identify 301, 302, and meta refresh redirects for SEO optimization.
Calculators
Free online calculators for age, BMI, loan, mortgage, GPA, tip, percentage, and compound interest. Fast, accurate results.
Age Calculator
Free age calculator online. Calculate your exact age in years, months, days, hours, and minutes. Date of birth calculator, age difference finder. No signup required.
BMI Calculator
Free BMI calculator online. Calculate your Body Mass Index instantly. Check if you are underweight, normal, overweight, or obese. BMI chart and healthy weight range included.
Loan Calculator
Free loan calculator online. Calculate monthly payments, total interest, and amortization schedule for any loan. Personal loan calculator, auto loan calculator. No signup.
Percentage Calculator
Free percentage calculator online. Calculate percentages, percentage increase, decrease, difference, and change. Find what percent of a number. Quick and easy.
Tip Calculator
Free tip calculator online. Calculate tip amount and split the bill between friends. Supports custom tip percentages and bill splitting. Quick and easy restaurant tip calculator.
GPA Calculator
Free GPA calculator online. Calculate your Grade Point Average for high school or college. Supports weighted and unweighted GPA, multiple semesters. No signup required.
Mortgage Calculator
Free mortgage calculator online. Calculate monthly mortgage payments, total interest, and amortization schedule. Home loan calculator with taxes and insurance. No signup.
Calorie Calculator
Free calorie calculator online. Calculate daily calorie needs based on age, gender, weight, height, and activity level. TDEE calculator, BMR calculator. No signup required.
Compound Interest Calculator
Free compound interest calculator online. Calculate investment growth with compound interest over time. Savings calculator with regular deposits. See your money grow.
Scientific Calculator
Free scientific calculator online. Advanced math functions including trigonometry, logarithms, exponents, roots, and constants. Works in your browser. No signup required.
Converters
Free unit converter tools for temperature, length, weight, speed, time zones, color formats, and number bases. Instant results.
Number Base Converter
Number base converter online. Convert between binary, decimal, hexadecimal and octal. Binary converter, hex converter, decimal to binary, free.
Unit Converter
Unit converter online. Convert length, weight, temperature, area, volume and speed. Length converter, weight converter, temperature converter, free.
Temperature Converter
Free temperature converter online. Convert between Celsius, Fahrenheit, and Kelvin instantly. Temperature conversion tool with formulas. No signup required.
Length Converter
Free length converter online. Convert between meters, feet, inches, centimeters, miles, kilometers, and more. Distance and length conversion tool. No signup.
Weight Converter
Free weight converter online. Convert between kg, lbs, ounces, grams, stones, and more. Mass and weight conversion tool. No signup required.
Speed Converter
Free speed converter online. Convert between mph, km/h, m/s, knots, and more. Speed and velocity conversion tool. No signup required.
Time Zone Converter
Free time zone converter online. Convert time between different time zones worldwide. Time zone difference calculator, meeting time planner. No signup required.
Color Converter
Free color converter online. Convert between HEX, RGB, HSL, HSV, and CMYK color formats. Color code converter with visual preview. No signup required.
Generators
Free online generators for passwords, QR codes, UUIDs, random numbers, barcodes, color palettes, and fake data. No signup.
Password Generator
Password generator online. Create strong, random passwords with custom length, symbols, numbers and built-in strength meter. Secure password maker, random password generator, free.
Lorem Ipsum Generator
Lorem ipsum generator online. Create placeholder dummy text for web and print layouts. Dummy text generator, lorem ipsum paragraphs, sentences, or words. Free.
QR Code Generator
Free QR code generator online. Create QR codes for URLs, text, WiFi, email, phone numbers, and more. Custom colors and sizes, instant download. No signup required.
Random Number Generator
Free random number generator online. Generate random numbers within any range. Pick random numbers, lottery numbers, dice rolls. No signup required.
UUID Generator
Free UUID generator online. Generate UUID v1, v4, and v5 identifiers instantly. Universally unique identifier generator for databases and development. No signup.
Color Palette Generator
Free color palette generator online. Create beautiful color palettes and schemes. Generate complementary, analogous, triadic, and random palettes. Export as CSS, Tailwind, or hex codes.
Barcode Generator
Free barcode generator online. Create Code 128, EAN-13, UPC-A, and other barcode formats. Download as PNG or SVG. No signup required.
Fake Data Generator
Free fake data generator online. Generate realistic mock data for testing: names, emails, addresses, phone numbers, credit cards. JSON, CSV, and SQL export. No signup.
Developer Tools
Free developer tools: JSON formatter, SQL formatter, regex tester, JWT decoder, CSS & JS minifier, cron generator, and diff checker.
JSON Formatter
JSON formatter and validator online. Beautify, validate, minify and pretty print JSON data with syntax highlighting. JSON beautifier, free JSON checker.
Hash Generator
Hash generator online. Calculate MD5, SHA-1, SHA-256, SHA-512 hashes from any text. SHA256 hash generator, MD5 hash generator, checksum calculator, free.
JSON to CSV Converter
Free JSON to CSV converter online. Transform JSON data into CSV format for spreadsheets. Flatten nested JSON, custom delimiters, instant download. No signup required.
JSON to YAML Converter
Free JSON to YAML converter online. Transform JSON data into YAML format instantly. Supports nested structures, proper indentation. No signup required.
SQL Formatter
Free SQL formatter online. Beautify and format SQL queries with proper indentation and syntax highlighting. Supports MySQL, PostgreSQL, SQL Server. No signup.
Regex Tester
Free regex tester online. Test and debug regular expressions with real-time matching, highlighting, and group capture. Regex cheat sheet included. No signup required.
Markdown to HTML
Free Markdown to HTML converter online. Convert Markdown text to HTML code instantly. Supports GitHub Flavored Markdown, tables, code blocks. No signup required.
CSS Minifier
Free CSS minifier online. Compress and minify CSS code to reduce file size. Remove comments, whitespace, and optimize selectors. Instant results. No signup.
JS Minifier
Free JavaScript minifier online. Compress and minify JS code to reduce file size. Remove comments, whitespace, and optimize code. Instant results. No signup.
JWT Decoder
Free JWT decoder online. Decode and inspect JSON Web Tokens (JWT). View header, payload, and signature. Verify token expiration. No signup required.
Cron Expression Generator
Free cron expression generator online. Create and validate cron expressions with an easy visual builder. See next run times, human-readable descriptions. No signup.
Diff Checker
Free diff checker online. Compare two texts and highlight differences. Side-by-side diff view, inline diff, and unified diff. Find changes between files. No signup.
Image Tools
Free image tools to compress, resize, crop, and convert images online. Create favicons and extract colors. Works in your browser.
Image Compressor
Free image compressor online. Reduce image file size without losing quality. Compress JPEG, PNG, and WebP images. Works in your browser, no upload needed. No signup.
Image Resizer
Free image resizer online. Resize images to any dimension. Maintain aspect ratio, batch resize, custom width and height. Works in your browser. No signup required.
Image Cropper
Free image cropper online. Crop images to exact dimensions or custom areas. Preset ratios for social media, profile pictures, and thumbnails. No signup required.
Image to Base64
Free image to Base64 converter online. Convert images to Base64 encoded strings for CSS, HTML, and JSON embedding. Supports all image formats. No signup required.
Favicon Generator
Free favicon generator online. Create favicons from images or text. Generate all sizes: 16x16, 32x32, 48x48, and ICO format. Preview in browser. No signup required.
Color Picker from Image
Free color picker from image online. Extract colors from any image. Click to pick HEX, RGB, and HSL values. Upload or paste an image. No signup required.
PNG to ICO Converter
Free PNG to ICO converter online. Convert PNG images to ICO icon format. Generate multi-size ICO files for Windows apps and favicons. No signup required.
Encoders & Decoders
Free encoder & decoder tools for Base64, URL encoding, HTML entities, binary translation, and MIME. Instant, private, no signup.
Base64 Encoder/Decoder
Base64 encoder decoder online. Encode text to Base64 or decode Base64 to text. Base64 converter with Unicode support. Free base64 encode and decode tool.
URL Encoder/Decoder
URL encoder decoder online. Encode or decode URLs with percent encoding for query strings and special characters. URL encoding tool, free.
HTML Entity Encoder
Free HTML entity encoder/decoder online. Encode special characters to HTML entities or decode HTML entities back to text. Convert symbols, accents, and special chars. No signup.
Binary Translator
Free binary translator online. Convert text to binary and binary to text. Binary code translator, ASCII to binary, binary to ASCII. Learn binary code. No signup required.
MIME Decoder
Free MIME decoder online. Decode MIME encoded email headers and content. Quoted-printable and Base64 MIME decoding. Email header decoder. No signup required.
Design Tools
Free design tools: color picker, CSS gradient generator, and visual design helpers for web developers and designers.
Color Picker
Color picker online. Pick colors and convert between HEX, RGB, HSL and CMYK with visual preview. Hex color picker, RGB color picker, color converter, free.
CSS Gradient Generator
CSS gradient generator online. Create linear and radial gradients with custom colors and get ready-to-use CSS code. Gradient generator, CSS gradient tool, free.
Network Tools
Free network tools for DNS lookup, WHOIS, ping test, IP lookup, email authentication, and DNSSEC analysis. No signup required.
Ping Checker
Free online ping test tool to check website latency, server response time, packet loss, and network connectivity instantly. DNS, TCP, TLS, TTFB timing breakdowns, jitter, quality score, TCP port ping, live monitoring, CSV export. No signup required.
DNS Checker
DNS checker online. Check A, AAAA, MX, TXT, CNAME, and NS records for any domain. DNS lookup, DNS records check, instant DNS resolution, free.
IP Detector
What is my IP? Detect your public IP address, browser, OS, device type, and connection details. IP address lookup, public IP checker, my IP address, free.
WHOIS Lookup
WHOIS lookup online. Check domain ownership, registration date, expiration, name servers, and registrar info. Domain WHOIS, WHOIS checker, free.
SPF Record Checker
SPF record checker online. Lookup and validate SPF records for any domain. Check SPF syntax, DNS TXT records, email authentication, SPF validator, free.
Domain DNS Validation
Domain DNS validation tool. Validate your DNS records for correctness and compliance. DNS record validator, DNS health check, DNS configuration checker, free.
Reverse IP Lookup
Reverse IP lookup online. Resolve any IP address to its hostname and domain. IP to hostname resolver, reverse DNS lookup, PTR record checker, free.
CNAME Lookup
CNAME lookup online. Check CNAME records for any domain. CNAME record checker, canonical name lookup, domain alias resolver, CNAME DNS tool, free.
NS Lookup
NS lookup online. Check NS records for any domain. Name server lookup, DNS name server checker, NS record resolver, domain nameserver tool, free.
MX Lookup
MX lookup online. Check MX records for any domain. Mail exchange record checker, email server lookup, MX record resolver, mail server DNS tool, free.
WhatsMyDNS
DNS propagation checker online. Check DNS propagation status across global DNS servers worldwide. DNS propagation tool, DNS sync checker, free.
DMARC Validation Tool
DMARC validation tool online. Lookup and validate DMARC records for any domain. DMARC checker, DMARC record validator, email security, free.
Domain DNS Health Checker
DNS health checker online. Get a complete DNS health report for any domain. DNS audit, DNS misconfiguration detector, DNS health monitor, free.
DMARC Record Generator
DMARC record generator online. Generate DMARC records for any domain with custom policies. DMARC builder, DMARC policy generator, email security, free.
DNSKEY Lookup
DNSKEY lookup online. Lookup DNSKEY records for any domain. DNSSEC key checker, DNS public key lookup, DNSSEC validation tool, free.
DS Lookup
DS lookup online. Lookup DS records for any domain. Delegation signer record checker, DNSSEC DS record lookup, DNSSEC chain validator, free.
DKIM Checker
DKIM checker online. Check DKIM (DomainKeys Identified Mail) records for any domain. DKIM record lookup, DKIM validator, email authentication, free.