Looking for a free online tool to get something done fast? You’ve come to the right place. Our collection of 30 free tools covers everything from text processing to construction estimates — all running entirely in your browser with zero server uploads.
Text Tools
Working with text is something we all do daily. Our text tools make it effortless:
- Word Counter — Count words, characters, sentences, and paragraphs in any text
- Case Converter — Switch between uppercase, lowercase, title case, and sentence case instantly
- Markdown Editor — Write markdown with live preview
- Text Diff Checker — Compare two texts and spot differences at a glance
- URL Encoder/Decoder — Encode text for URLs or decode URL-encoded strings
- Base64 Encoder/Decoder — Convert text to Base64 and back
All tools work in real-time as you type, with no page reloads.
Developer Tools
Developers waste too much time on repetitive formatting tasks. Our dev tools handle the boring stuff:
- JSON Formatter & Validator — Beautify, minify, and validate JSON data
- YAML ↔ JSON Converter — Convert between YAML and JSON bidirectionally
- HTML Minifier — Compress HTML by removing whitespace and comments
- CSS Minifier — Reduce stylesheet size for faster page loads
- JS Minifier — Minify JavaScript code instantly
- SQL Formatter — Format SQL queries with proper indentation and keyword casing
- Hash Generator — Generate MD5, SHA-1, SHA-256, and SHA-512 hashes
- Timestamp Converter — Convert Unix timestamps to readable dates
- Color Picker — Pick colors and get HEX, RGB, and HSL values
- Password Generator — Create strong, random passwords with customizable options
Each tool includes both minify and beautify modes where applicable, giving you full control over your output.
Health Calculators
Take control of your health metrics with our free calculators:
- BMI Calculator — Calculate your Body Mass Index with a visual gauge
- BMR Calculator — Find your basal metabolic rate using the Mifflin-St Jeor equation
- Body Fat Calculator — Estimate body fat percentage (US Navy method)
- Calorie Calculator — Determine daily calorie needs with macro breakdown
- Due Date Calculator — Estimate pregnancy due date and see weekly milestones
- Water Intake Calculator — Calculate daily water needs based on weight and activity
All health tools support both imperial and metric units.
Construction Calculators
Planning a home improvement project? Our construction estimators help you buy the right amount of materials:
- Concrete Calculator — Calculate cubic yards and bags for slabs, footings, and columns
- Rebar Calculator — Determine rebar quantity, length, and weight
- Roofing Calculator — Estimate shingles, squares, and underlayment
- Paint Calculator — Calculate gallons needed for walls, ceiling, and trim
- Flooring Calculator — Measure flooring needs for rectangular and L-shaped rooms
- Brick Calculator — Count bricks or blocks for walls and patios
- Stair Calculator — Calculate rise, run, and stringer length
Proper material estimation saves money and reduces waste on every project.
Generators & Converters
Rounding out the collection are our everyday utility tools:
- QR Code Generator — Create QR codes for URLs and text, downloadable as PNG
- Image Resizer — Resize JPG, PNG, and GIF images in your browser
- Unit Converter — Convert length, weight, temperature, area, and volume
- Percentage Calculator — Calculate percentages, ratios, and changes
Why Use Free Online Tools?
Our tools offer several advantages over desktop software or paid alternatives:
- 100% free — No signup, no subscriptions, no hidden costs
- Private — All processing happens in your browser; nothing is uploaded to any server
- Fast — No waiting for page loads or API calls
- Always available — Works on any device with a modern browser
Start using any tool right now from the tools page. If you have suggestions for new tools, feel free to reach out.