Free Tools. For Everything.
Thousands of simple, fast and free online tools for work, business, developers, creators and everyday life.
Featured Tools
View all tools →Percentage Calculator
Calculate percentages quickly and for free.
Password Generator
Generate strong, random passwords for free.
JSON Formatter
Format, validate and beautify JSON for free.
QR Code Generator
Create free QR codes for links, text and more.
Word Counter
Count words, characters, sentences, paragraphs and reading time live.
Image Compressor
Compress JPG, PNG and WebP images without losing quality.
PDF Compressor
Reduce PDF file size for free, in your browser.
Unit Converter
Convert length, weight, and temperature units instantly, for free.
Color Shades & Tints Generator
Generate tints and shades of any base color.
Loan Calculator
Estimate monthly payments and total interest on a loan.
UUID Generator
Generate random UUID v4 identifiers, one or thousands at a time.
Hash Generator
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes for free.
Base64 Encode
Encode text or strings to Base64 instantly and for free.
BMI Calculator
Calculate your Body Mass Index from height and weight.
Meta Title & Description Generator
Write SEO-friendly title and meta description tags with live character counts.
Text Diff Checker
Compare two blocks of text and highlight the differences, for free.
JPG to PNG Converter
Convert a JPG image to PNG format directly in your browser.
Invoice Calculator
Add line items, discount and tax to calculate an invoice total.
Email Validator
Check whether an email address matches the common dot-atom syntax.
Recently Added
Sitemap Validator
Check whether an XML sitemap is well-formed and every entry has a valid URL.
Robots.txt Checker
Check whether a specific path is allowed or blocked in a site's robots.txt.
DNS Checker
Look up a domain's A, AAAA, MX, TXT, NS and CNAME records right now.
Redirect Checker
Trace every hop in a URL's redirect chain, from the first request to the final page.
HTTP Status Checker
Check the live HTTP status code a URL returns right now.
CSS Validator
Check CSS for unclosed braces, brackets, strings and comments.
Browse by Category
Calculators
Quick calculators for everyday math, money and business.
Generators
Generate passwords, QR codes and other useful outputs instantly.
Image Tools
Compress, convert and edit images — all in your browser.
PDF & Document Tools
Merge, compress and convert PDFs without uploading your files.
Text Tools
Count, clean and transform text in one click.
SEO Tools
Meta tags, schema markup and sitemaps for better search rankings.
Developer Tools
Formatters, validators and generators developers use every day.
Marketing Tools
Build campaign links, QR codes and more for your marketing.
Business Tools
Marketing metrics, pricing and cost calculators for running a business.
E-commerce Tools
Pricing, fees, shipping and inventory calculators for online sellers.
Color Tools
Generate palettes, gradients and check color contrast for design and web work.
Website Tools
Check and analyze any website by URL.
Social Media Tools
Character counters, hashtag tools and formatters for Instagram, TikTok, YouTube and more.
URL & Web Tools
Parse URLs, clean tracking parameters and inspect web addresses — all in your browser.
Validators & Checkers
Validate addresses, structured data and identifiers locally in your browser.
Finance Tools
Mortgage, retirement, investing and debt payoff calculators for personal finance.
Date & Time Tools
Convert time zones, calculate dates and measure time durations in your browser.
Curated Toolkits
View all toolkits →Developer Toolkit
Formatters, validators and live checks developers reach for every day, curated in one toolkit.
SEO Toolkit
Meta tags, schema markup and technical checks for shipping search-friendly pages, curated in one toolkit.
Writer's Toolkit
Counting, cleanup and formatting tools for drafting and publishing text, curated in one toolkit.
E-commerce Toolkit
Pricing, marketplace fees and launch tools for online sellers, curated in one toolkit.
Student Toolkit
Everyday math, scheduling and word-count tools for homework and coursework, curated in one toolkit.
Business Toolkit
Pricing, invoicing and payment-detail checks for small business owners and freelancers, curated in one toolkit.