Free tools that just work
No sign-up, no installs. Pick a tool below.
🌍For Everyone
QR Code Generator
Generate styled QR codes for links, WiFi, contacts, events, and more.
📷QR Code Scanner
Decode any QR code from an uploaded image.
📝Word & Character Counter
Count words, characters, sentences, and estimated reading time as you type.
🔐Password Generator
Create strong, random passwords with custom length and character sets.
📏Unit Converter
Convert length, weight, and temperature between common units.
💱Currency Converter
Live exchange rates between major world currencies.
🎂Age Calculator
Find your exact age in years, months, and days from your birth date.
🧾Tip Calculator & Bill Splitter
Work out the tip and split a bill between any number of people.
🔤Text Case Converter
Switch text between UPPERCASE, lowercase, Title Case, and more.
🎲Random Picker
Pick a random winner or item from a list you paste in.
⏱️Countdown Timer & Stopwatch
A simple countdown timer and stopwatch, right in your browser tab.
➗Percentage Calculator
Find X% of Y, what percent X is of Y, or the percentage change between two numbers.
🏦Loan / EMI Calculator
Calculate your monthly loan or mortgage payment, total interest, and total repayment.
🌐World Clock & Time Zone Converter
Convert a date and time across multiple time zones at once.
📱Social Media Character Counter
Check your post length against X, Instagram, Facebook, LinkedIn, and more.
🏷️Barcode Generator
Generate a scannable barcode in Code 128, EAN-13, UPC-A, or Code 39.
📎PDF Merge & Split
Combine multiple PDFs into one, or extract a page range from a PDF.
💻Developer Tools
JSON Formatter & Validator
Paste JSON to pretty-print it or find the exact syntax error.
🔍SEO Meta Checker
Check any public page's title, meta description, and Open Graph tags at a glance.
🧪Regex Tester
Test a regular expression against sample text with live match highlighting.
🔡Base64 & URL Encoder/Decoder
Encode or decode text as Base64 or a URL-safe component.
#️⃣Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes of any text.
🪪JWT Decoder
Decode a JSON Web Token's header and payload without verifying it.
🆔UUID Generator
Generate one or many random UUID v4 identifiers.
📑Text Diff Checker
Compare two blocks of text and see exactly what changed.
🕒Timestamp Converter
Convert between Unix timestamps and human-readable dates.
⏰Cron Expression Explainer
Paste a cron expression to see what it means and when it runs next.
🔁YAML ↔ JSON Converter
Convert between YAML and JSON in either direction.
📊CSV ↔ JSON Converter
Convert CSV to JSON or JSON to CSV, with proper handling of quoted fields.
🗜️Code Minifier & Beautifier
Minify or beautify CSS, JavaScript, or HTML.
🔗Open Graph / Meta Tag Generator
Generate title, description, Open Graph, and Twitter Card tags with a live preview.
🎨Designer Tools
Image Converter & Compressor
Resize, compress, and convert your own images between PNG, JPG, and WebP — entirely in your browser.
🌓Color Contrast Checker
Check whether a text/background color pair meets WCAG accessibility guidelines.
🎨CSS Gradient Generator
Build a linear or radial gradient visually and copy the CSS.
🔖Favicon Generator
Turn one image into a full set of favicon sizes, ready to download.
🖌️Color Palette Extractor
Upload an image and pull out its dominant colors as a copyable palette.
📃Lorem Ipsum Generator
Generate placeholder text by words, sentences, or paragraphs.
🩺Health & Nutrition
🎮Games
How Tools Hub works
- 1
Pick a tool
Click any card above — no account or sign-up needed.
- 2
Use it in your browser
Fill in what's asked. Most tools never leave your device.
- 3
Get your result
Download, copy, or view your result right away.