Free Online Tools for Everyday Tasks
Instant, accurate, and completely free tools for developers, designers, and digital professionals.
Popular Tools
View allPX to REM Converter
Convert pixels to REM units instantly with a customizable root font size.
JSON Formatter
Prettify, validate, and minify JSON with a clean side-by-side interface.
Strong Password Generator
Generate cryptographically strong random passwords with custom options.
Percentage Calculator
Find what percent one number is of another, plus percentage increase and decrease.
Word Counter
Count words, characters, sentences, and paragraphs as you type in real time.
QR Code Generator
Generate QR codes from text or URLs right in your browser with no upload.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to readable text instantly.
BMI Calculator
Calculate Body Mass Index from height and weight with category guidance.
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Why people choose Toolwell
100% free, forever
Every tool is free with no limits, no trials, and no hidden paywalls. All 100 tools, all the time.
No sign-up or login
No accounts, no email, no forms to fill. Open a tool and it just works — the way tools should.
Runs in your browser
Everything happens locally on your device. Your data never leaves your computer or gets stored on a server.
Live results as you type
Conversions, counts, and calculations update instantly with every keystroke. No waiting, no submit buttons.
What is Toolwell?
Toolwell is a collection of 100 free online tools that run entirely in your browser. There is nothing to install, no account to create, and no personal data to submit — every converter, calculator, generator, and formatter processes your input locally on your own device, so nothing you type is ever uploaded or stored on a server.
The tools are organized into five categories. Converters handle the everyday unit and format conversions people search for, from CSS units like pixels and REM to length, weight, temperature, currency, and Base64. Text Tools count words, characters, lines, and syllables, clean up messy text, compare versions, and test regular expressions. Generators create strong passwords, UUIDs, QR codes, CSS gradients, and other on-demand output. Formatters beautify or minify JSON, XML, HTML, CSS, SQL, and YAML, and convert between formats like CSV and JSON. Calculators cover percentages, discounts, tips, BMI, compound interest, mortgages, and a range of technical calculations for developers.
Every tool is designed to be fast and accurate. Results update live as you type, formulas are stated clearly so you can verify the numbers, and each page includes step-by-step instructions, a worked example, and answers to the most common questions. If you work with code, design, data, or just need a quick answer, this is the fastest place to get it — with no sign-up, no login, and no uploads.