Best Free Tools for SEO, domains and everyday work
One free toolbox of online tools: SEO keyword and meta tag tools, domain and DNS checkers, developer utilities, text tools, converters and calculators. No sign-up, nothing uploaded.
Start here
Popular tools
Age Calculator
Enter your date of birth to instantly calculate your exact age in years, months, and days — plus the total number of days you've been alive. Works entirely in your browser, so nothing you enter is ever sent to a server.
BABase64 Encode / Decode
Encode plain text into Base64, or decode a Base64 string back into readable text — instantly, with no upload or size limit.
COColor Converter
Enter a HEX color code and instantly see its RGB and HSL equivalents, with a live color preview.
GRGradient Generator
Pick two colors and an angle to build a linear or radial gradient, preview it live, and copy the finished CSS.
HAHash Generator
Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text instantly as you type.
JSJSON Formatter
Paste any JSON to instantly validate it, pretty-print it with proper indentation, or minify it down to a single line.
LOLorem Ipsum Generator
Generate placeholder text for design mockups, wireframes, and layout testing — choose how many paragraphs you need.
CSCSS & JS Minifier
Paste your CSS or JavaScript to strip comments and unnecessary whitespace, shrinking file size for faster page loads.
SEO Tools
Keyword density, meta tags and robots.txt for pages that rank.
Keyword Density Checker
Check keyword and phrase frequency in any text, instantly and privately.
Meta Tag Generator
Build title, description, Open Graph and Twitter Card tags with a live Google preview.
Robots.txt Generator
Create a valid robots.txt with crawl rules, bot blocks and a sitemap line.
Text to Slug Converter
Turn a list of titles into clean, SEO-friendly URL slugs.
Domain Tools
Domain availability, DNS records and nameserver checks in real time.
Developer Tools
Format, encode, minify and generate common development data.
Base64 Encode / Decode
Encode plain text into Base64, or decode a Base64 string back into readable text — instantly, with no upload or size limit.
Hash Generator
Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text instantly as you type.
JSON Formatter
Paste any JSON to instantly validate it, pretty-print it with proper indentation, or minify it down to a single line.
CSS & JS Minifier
Paste your CSS or JavaScript to strip comments and unnecessary whitespace, shrinking file size for faster page loads.
URL Encode / Decode
Encode text for safe use in a URL query string, or decode an already-encoded URL back into readable text.
UUID Generator
Generate one or many random version-4 UUIDs for use as unique keys, tokens, or database IDs.
Code Playground
Write HTML, CSS and JS side by side and see the result live.
Favicon to Base64
Turn an icon into a data URI you can paste straight into HTML or CSS.
Timezone Converter
Compare one moment across as many cities as you need.
IP Address Checker
Validate IPv4 and IPv6 addresses and see what type each one is.
Nano ID Generator
Generate short, URL-safe random IDs as an alternative to UUIDs.
Passphrase Generator
Create strong passwords made of real words you can remember.
Text Tools
Count, generate and prepare text for writing and publishing.
Lorem Ipsum Generator
Generate placeholder text for design mockups, wireframes, and layout testing — choose how many paragraphs you need.
Word Counter
Count words, characters, sentences, and get an estimated reading time as you type or paste text.
Text to Speech Reader
Turn any text into natural spoken audio right in your browser.
Speech to Text
Dictate with your microphone and watch the words appear as text.
Palindrome Checker
Check whether a word, phrase or number reads the same backwards.
Duplicate Line Remover
Clean a list by removing repeated lines, blanks and stray spaces.
Text Sorter
Sort any list alphabetically, by length, numerically or at random.
Find & Replace
Swap words or patterns across a whole document in one pass.
Character Frequency Counter
See how often each letter and symbol appears in your text.
Design Tools
Create colours, gradients and QR graphics in seconds.
Color Converter
Enter a HEX color code and instantly see its RGB and HSL equivalents, with a live color preview.
Gradient Generator
Pick two colors and an angle to build a linear or radial gradient, preview it live, and copy the finished CSS.
QR Code Generator
Turn any text, link, or Wi-Fi credential into a scannable QR code you can download instantly as a PNG.
Placeholder Image Generator
Create sized dummy images with your own colours in one click.
Contrast Checker
Test text and background colours against WCAG AA and AAA.
Border Radius Generator
Shape corners visually and copy the exact CSS.
Clip Path Generator
Cut elements into polygons, circles and custom shapes with CSS.
Favicon Preview
See how your icon looks in real browser tabs and bookmarks.
Colour Blindness Simulator
See your design the way colour-blind users see it.
Calculators Tools
Get reliable answers for age, percentages and everyday costs.
Age Calculator
Enter your date of birth to instantly calculate your exact age in years, months, and days — plus the total number of days you've been alive. Works entirely in your browser, so nothing you enter is ever sent to a server.
Percentage Calculator
Three of the most common percentage calculations in one place: what a percentage of a number is, what percent one number is of another, and percentage change.
Tip Calculator
Work out the tip amount, total bill, and how much each person owes — instantly, with quick-tap tip percentage presets.
Split Bill Calculator
Divide a bill fairly when everyone ordered something different.
Date Difference Calculator
Count the days, weeks, months and years between two dates.
Work Days Calculator
Count working days between dates, skipping weekends and holidays.
GPA Calculator
Work out semester and cumulative GPA on the 4.0 scale.
Compound Interest Calculator
Project savings growth with regular deposits and compounding.
Fuel Cost Calculator
Estimate what a trip costs in fuel and split it between passengers.
Pregnancy Due Date Calculator
Estimate your due date and see how many weeks along you are.
Coin Flip & Dice Roller
Flip coins and roll any dice with genuinely random results.
Random Team Generator
Split a list of names into fair, random teams instantly.
Converters Tools
Convert measurements and values without manual formulas.
Media Tools
Image, video and audio utilities that run without uploading a file.
YouTube Thumbnail Downloader
Paste a video link and grab its cover image in every available size.
YouTube Tag & Title Generator
Turn one keyword into tags, title ideas, hashtags and a description skeleton.
Image Compressor
Shrink JPG, PNG and WebP files without sending them anywhere.
Image Converter
Switch an image between PNG, JPG and WebP in one click.
Image Resizer
Resize to exact pixel dimensions or to a ready social media preset.
Video Frame Grabber
Scrub to the exact moment and save that frame as a PNG or JPG.
Video to GIF Converter
Turn a few seconds of video into a shareable animated GIF.
Audio Trimmer & WAV Converter
Cut a section out of an audio file and export it as a clean WAV.
Built to earn a place in your bookmarks
Fast pages, straightforward controls and results you can use immediately—without pop-ups, uploads or account walls.