๐ ๏ธ About Toolflow
Free online tools for everyone.
Toolflow (toolspotr.com) is a collection of 135+ free online tools that run entirely in your browser. Every tool is built with vanilla HTML, CSS, and JavaScript โ no frameworks, no backend servers, no tracking.
What Makes Us Different?
- 100% Client-Side โ All processing happens in your browser. Nothing is uploaded to any server.
- Zero Signup โ No accounts, no emails, no passwords. Just open and use.
- No Tracking โ We use anonymous analytics (Google Analytics) to understand which tools are popular. No personal data is collected.
- Always Free โ Every tool is free forever. We support the site through affiliate links and ads.
What's Inside
125+ tools across 10 categories:
- ๐ป Developer Tools โ JSON formatter, regex tester, UUID generator, hash generator, Base64 encoder, URL encoder, binary/hex converter, HTTP status codes, CSS/JS/HTML minifiers, SQL formatter, YAML/JSON converter, timestamp converter, and more
- ๐ฐ Finance & Investment โ Compound interest, loan/mortgage/retirement calculators, currency/crypto converter, tip/discount/GST/VAT calculators, salary calculator, invoice generator
- ๐ Security & Privacy โ Password generator, password strength checker
- ๐จ Design & Image โ QR code generator/reader, color picker/palette/name finder, image optimizer/converter/resizer/cropper, meme generator, SVG optimizer, CSS gradient, border radius, box shadow, background remover, passport photo maker, GIF maker
- โ๏ธ Text & Writing โ Word counter, markdown editor, grammar checker, diff checker, case converter, fancy text, anagram solver, palindrome checker, lorem ipsum generator, online notepad, text repeater, word cloud, hashtag generator, resume builder, article rewriter
- ๐ Utilities โ Percentage/age/date calculators, unit/timezone converter, countdown timer, stopwatch, random number generator, emoji picker/mashup, morse code, roman numerals, typing speed test, pomodoro timer, name generator, text to speech, decision maker, habit tracker, screen recorder, website checker, PDF merger/compressor
- ๐ฅ Health & Fitness โ BMI/BMR/calorie calculators, body fat, macro calculator, water intake tracker, sleep calculator, due date calculator, period tracker
- ๐ Math & Statistics โ GPA calculator, scientific calculator, fraction calculator, standard deviation calculator
- ๐ฎ Fun & Games โ Dice roller, love calculator
- ๐ Network & SEO โ DNS test, browser fingerprint, port scanner
Technology
Built with vanilla HTML/CSS/JS. Hosted on GitHub Pages. All data stays in your browser โ we use localStorage only for preferences like theme and language.
Monetization
Toolflow is free and always will be. We use:
- Affiliate links (DigitalOcean) โ you support us at no extra cost
- Google AdSense โ non-intrusive ads that respect your privacy
Contact
Have feedback or suggestions? Get in touch.
About the Creator
Toolspotr was created and is maintained by a solo developer passionate about building useful, privacy-respecting web tools. Every tool is hand-crafted with attention to detail โ from the JSON formatter that can handle large files without crashing, to the color picker that supports multiple color spaces. I believe that essential online tools should be free, fast, and private, which is why Toolspotr has no signup requirements, no data collection, and no premium tiers. The site is supported entirely by minimal advertisements so it can remain free for everyone.
I actively maintain and improve Toolspotr based on user feedback. If you have a suggestion for a new tool or an improvement to an existing one, don't hesitate to reach out through the contact page. New tools are added regularly โ recent additions include JWT decoder, HTML preview editor, CSS animation generator, cron builder, WHOIS lookup, SSL checker, and subnet calculator.