All free tools

Generate complete HTML meta tags for SEO including Open Graph and Twitter Card tags

Analyze keyword frequency and density percentage in your content

Count words, characters, sentences, paragraphs, and estimate reading time

Convert any text into a URL-friendly slug with lowercase letters and hyphens

Generate robots.txt files with custom allow and disallow rules for web crawlers

Generate XML sitemaps from a list of URLs for better search engine indexing

Preview how your page looks when shared on Facebook, Twitter, and other social media

Preview how your page appears in Google search results

Calculate Flesch-Kincaid readability score and grade level for your content

Generate JSON-LD structured data for Article, FAQ, Product, Recipe, and more schema types

Convert JPG/JPEG images to PNG format instantly in your browser

Convert PNG images to WebP format for better web performance

Convert images between PNG, JPEG, and WebP in your browser — no upload required

Compress images to reduce file size while maintaining quality

Resize images to custom dimensions or common presets

Crop images to remove unwanted areas and focus on important content

Convert images to Base64 encoded strings and decode Base64 back to images

Generate favicon files in multiple sizes (16x16, 32x32, 64x64) from any image

Convert SVG vector graphics to PNG raster images

Convert animated GIFs to MP4 video format for smaller file sizes

Pick colors and get HEX, RGB, and HSL values instantly

Convert iPhone HEIC/HEIF photos to JPG format instantly in your browser — no upload needed

Place screenshots into device frames — iPhone, MacBook, iPad, and browser window mockups

Flip images horizontally or vertically and rotate by 90° increments — all processed in your browser via Canvas

Remove image backgrounds instantly using AI — runs entirely in your browser

View EXIF metadata, dimensions, and file info from any image — all processed locally

Add text watermarks to images with custom position, font, color, and opacity

Generate placeholder images in any size and color for mockups and prototypes

Convert PNG images to .ico files with multiple sizes (16, 32, 48, 64, 128px)

Convert PDF pages to JPG or PNG images

Combine multiple PDF files into a single document

Reduce PDF file size while maintaining quality

Extract text content from PDF files

Convert Word documents and text to PDF format

Split a PDF into individual pages or page ranges

Convert PDF pages to JPG images

Combine multiple images into one PDF — reorder pages, all processing in your browser

Add password encryption to PDF files — all processing happens in your browser

Convert HTML and CSS to PDF using the browser print engine — no server upload needed

Calculate percentages, tip amounts, and percentage changes with precision

Advanced multi-functional calculator with trigonometric, logarithmic, and exponential functions

Calculate mean, median, mode, standard deviation, and variance for sets of data

Add, subtract, multiply, and divide fractions, and simplify them to lowest terms

Calculate your exact age in years, months, weeks, days, and even minutes

Track your academic performance with weighted GPA and semester grade estimates

Compute network ranges, broadcast addresses, and CIDR masks for IPv4 networking

Calculate your Body Mass Index (BMI) and Basal Metabolic Rate (BMR) with health insights

Estimate daily calorie needs and macronutrient distribution for your fitness goals

Compute your ideal body weight based on multiple scientific formulas

Calculate monthly EMI, total payment, and interest for loans

Calculate the difference between two dates in days, weeks, months, and years

Convert between units of length, weight, temperature, area, and volume

Calculate tip amount and split bill between multiple people

Calculate discounted price, savings amount, and discount percentage

Convert time between different time zones around the world

Estimate your monthly mortgage payments, including taxes, insurance, and PMI

Calculate how your investments grow over time with compound interest and regular contributions

Calculate the purchasing power of money over time based on inflation rates

Add or remove VAT from any amount instantly with preset rates and multiple currency symbols

Convert amounts between 25+ world currencies using approximate exchange rates

Calculate return on investment, net profit, annualized ROI, and investment multiple

Calculate the Nth Fibonacci number or list Fibonacci numbers with golden ratio approximation

Check if a number is prime, find its factors, or list all primes up to a given limit

Estimate your retirement savings, monthly income, and inflation-adjusted totals

Calculate body fat percentage using the US Navy method — metric and imperial, with fat mass and lean mass breakdown

Calculate break-even point, contribution margin, and units needed to hit your profit target

Track your assets and liabilities to calculate your total net worth with an interactive balance sheet

Create professional invoices with line items, tax, discount, and multiple currencies — print or save as PDF

Calculate take-home pay, federal tax, FICA, and 401(k) contributions based on US 2024 tax brackets

Generate random numbers, pick from ranges, roll dice, and create random sequences with cryptographic randomness

Format, validate, and minify JSON data with syntax highlighting

Encode text to Base64 and decode Base64 strings

Encode and decode URL components and query strings

Generate random UUID v4 identifiers

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text

Test and debug regular expressions with match highlighting

Decode and inspect JWT token header and payload

Beautify and format HTML code with proper indentation

Minify CSS code by removing whitespace and comments

Minify JavaScript code to reduce file size

Format and beautify SQL queries with proper indentation

Format and validate XML documents with syntax highlighting

Convert YAML to JSON and JSON to YAML format

Live preview of Markdown with syntax highlighting

Compare two texts and highlight differences side by side

Build and validate cron expressions with human-readable descriptions

Convert colors between HEX, RGB, HSL, and other formats

Convert CSV with headers to JSON objects, or arrays of objects back to CSV

Turn a cURL command into JavaScript fetch() with method, headers, and body

Build a full URL with query parameters; values are encoded for safe sharing

Convert Unix timestamps to human-readable dates and times in multiple formats

Convert numbers between binary, octal, decimal, and hexadecimal bases

Generate complementary, analogous, triadic, and monochromatic color palettes from any base color

Create beautiful linear and radial CSS gradients with a live preview

Parse and understand cron expressions with human-readable descriptions and next run times

Parse and analyze HTTP response headers with descriptions and security insights

Generate Apache .htaccess rules for HTTPS redirects, caching, GZIP, and security

Test and validate robots.txt rules to see which URLs are allowed or blocked for crawlers

Convert CSV data into a formatted Markdown table with alignment options

Generate .env and .env.example files visually with templates for Node.js, Next.js, and Vite projects

Convert any JSON object to a Zod schema with smart type inference for email, URL, datetime, and more

Build multi-layer CSS box shadows visually with live preview — copy the CSS with one click

Generate a .gitignore file for any stack — pick from 30+ languages, frameworks, IDEs, and operating systems

Check WCAG 2.1 AA/AAA color contrast ratios for accessible web design

Generate a professional GitHub README.md with badges, features, installation, usage, and license sections

Convert JSON arrays of objects to CSV format with custom separators and download

Validate JSON data against a JSON Schema with detailed error reporting

Encode special characters to HTML entities and decode HTML entities back to text

Paste JSON and instantly get TypeScript interfaces or type aliases with nested types

Convert vanilla CSS to Tailwind utility classes and Tailwind classes back to CSS

Paste JSON and click any value to get its JSONPath in bracket or dot notation

Build and send HTTP requests visually with headers, query params, body, and auto-generated cURL/fetch code

Generate Nginx server blocks with SSL, reverse proxy, gzip, security headers, CORS, and rate limiting

Build docker-compose.yml visually with pre-built templates for PostgreSQL, Redis, MongoDB, Nginx, and more

Calculate Unix file permissions in octal, symbolic, and command format with an interactive grid

Optimize and minify SVG files by removing comments, metadata, editor attributes, and unnecessary whitespace

Generate signed JSON Web Tokens (JWT) with HS256 using the WebCrypto API, right in your browser

Find and replace text with regex support, case sensitivity, whole-word matching, and live preview

Calculate Flesch Reading Ease, Flesch-Kincaid Grade, Gunning Fog, SMOG, and ARI scores for any text

Convert text between UPPER CASE, lower case, Title Case, camelCase, and more

Generate placeholder Lorem Ipsum text in paragraphs or words

Find and highlight differences between two pieces of text

Reverse text, words, or lines instantly

Generate strong, random passwords with custom length and character sets

Count characters, words, lines, and bytes in text

Remove duplicate lines from text and keep unique entries

Convert text to binary code and binary back to text

Convert text to Morse code and decode Morse code to text

Convert Markdown text to HTML with live preview and source view

Convert HTML markup to clean, readable Markdown text

Sort, shuffle, reverse, and deduplicate lines of text with flexible options

Check if text or words are palindromes with detailed analysis

Convert text to speech using your browser's built-in voices with speed and pitch controls

Transform text into bold, italic, script, bubble, and other Unicode font styles

Detect and remove zero-width spaces, BOM, RTL marks, and other invisible Unicode characters from text

Browse, search, and copy emojis by category — collect multiple emojis and copy them all at once

Look up IP address information including location and ISP

Query DNS records including A, AAAA, MX, TXT, and more

Look up domain registration and ownership information

Check HTTP status codes and response headers for any URL

Check SSL certificate details, expiry, and validity for any domain

Complete reference guide for common network ports and their services

Validate email addresses by checking format, MX records, and detecting disposable email providers

Look up the geographic location, ISP, and timezone of any IP address

Fetch and download favicons in all sizes from any website domain

Extract all internal and external links from any webpage URL

Check password strength and get suggestions to improve security

Generate QR codes for URLs, text, email, and more

Read and decode QR codes from uploaded images

Generate barcodes in CODE128, EAN-13, and other formats

Generate Ed25519 or ECDSA SSH key pairs using the Web Crypto API — runs 100% in your browser

Generate 2048-bit or 4096-bit RSA key pairs in PEM format using the Web Crypto API — runs 100% in your browser

Compare two hash values to verify file integrity or passwords

Generate time-based one-time passwords (TOTP) from a secret key — compatible with Google Authenticator

Validate credit card numbers using the Luhn algorithm and identify card type

Hash passwords using PBKDF2-SHA256 and verify hashes — client-side secure key derivation

Convert UUIDs between standard, braces, URN, no-hyphens, Base64, and integer formats

Generate strong, memorable passphrases using the EFF diceware wordlist with cryptographic randomness

Generate an ATS-optimized resume in seconds — enter your experience, skills, and education and let AI do the rest

Check text for plagiarism and AI-generated content patterns using AI analysis

Generate professional emails instantly — choose tone, purpose, recipient, and length, powered by AI

Rewrite AI-generated text to sound natural and human — beat AI detectors while keeping original meaning

Generate tailored cover letters for any job in seconds — customize tone, skills, and experience

Generate stunning images from text descriptions using advanced AI models

Summarize long text into clear bullet points or short paragraphs using AI

Rewrite text to be simpler, more formal, or more engaging with AI-powered suggestions

Fix grammar, spelling, and punctuation errors in your text using AI

Paste any code and get a plain-English explanation of what it does using AI

Describe a data structure in plain English and get realistic sample JSON data using AI

Convert videos between MP4, WebM, MOV, AVI, MKV, GIF, MP3, and more — powered by FFmpeg in your browser

Compress and reduce video file size with CRF quality control — H.264 encoding, all in your browser

Extract audio from video files and save as MP3, AAC, OGG, WAV, or FLAC — runs entirely in your browser

Trim and cut video files to any start and end time — fast copy mode or re-encode, all in the browser

Convert any video clip into a high-quality animated GIF with custom size, FPS, and loop settings — runs entirely in your browser

Extract one or multiple thumbnail frames from any video file as JPG or PNG — all processed locally in the browser

View, sort, filter, and inspect CSV files as an interactive table — all in your browser

Render JSON arrays of objects as a sortable, searchable HTML table with column filtering

Convert XLSX and XLS Excel files to CSV format — no upload, runs in your browser via SheetJS

Pick specific columns from a CSV file and download the result — great for cleaning large datasets

Run SQL SELECT queries directly on uploaded CSV files — no server needed

Merge multiple CSV files into one — reorder, deduplicate rows, and handle headers automatically

Convert JSON arrays of objects to Excel (.xlsx) or CSV — powered by SheetJS, runs in your browser

Compare two JSON objects side by side and highlight added, removed, and changed fields

Convert XML to JSON and JSON back to XML — bidirectional, zero dependencies, runs in your browser

Calculate cryptocurrency profit and loss — enter buy price, sell price, and fees to see your P&L and ROI

Calculate dividend yield, annual income, and yield on cost for any stock

Calculate total stock return including dividends, capital gains, and annualized performance over any time period

Track monthly income and expenses, calculate savings rate, and visualize your budget breakdown