Compress images, count words, generate passwords, create QR codes, work out loans and convert just about anything β all in seconds, right inside your browser. Zero uploads. Zero accounts.
Count words, characters, sentences and reading time in any text, instantly as you type.
Create strong, random passwords with custom length, symbols, numbers and cases.
Turn any text or URL into a QR code and download it as a PNG image.
Shrink JPEG and PNG images with a quality slider. See before/after sizes and download.
Find your exact age in years, months and days β plus your total days alive.
Calculate your Body Mass Index with metric or imperial units and see your category.
Percent of a number, percentage change, and βwhat percent is X of Yβ β solved fast.
Convert text to UPPERCASE, lowercase, Title Case, Sentence case and more in one click.
Format, validate and minify JSON with clear error messages when something is off.
Encode text to Base64 or decode Base64 back to readable text, UTF-8 safe.
Generate placeholder paragraphs, sentences or words for designs and mockups.
Convert length, weight and temperature units β meters, feet, kilograms, pounds, Β°C, Β°F.
Work out your monthly loan payment, total interest and total cost in seconds.
Pick a color and instantly get its HEX, RGB and HSL values for design and code.
Paste a list, remove duplicate lines and optionally sort β clean data in one click.
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Every tool here is built to work quietly and correctly β no ads chasing you around the page, no surprise uploads, no account wall before the first click.
Every tool runs 100% inside your browser. Your images, text and passwords never touch any server β close the tab and they're gone.
No waiting on cloud processing. Everything calculates, converts and compresses in seconds using your own device's power.
Built for phones first, not as an afterthought. Open a tool, finish the job and download the result β all with one thumb.
No sign-up, no premium plan, no daily limits, no watermarks. All 15 tools are free forever, supported by advertising.
Short, plain-English articles that go beyond the tools β the reasoning, the history and the traps behind the answers.
The passphrase method, password managers, and the five rules that genuinely keep accounts safe.
What your BMI number really means, where it misleads, and which measurements fill the gaps.
The quality slider demystified, the right format for every job, and why resizing beats squeezing.
Students counting essay words against a deadline and checking how long a presentation will actually run. Freelancers and small businesses sizing up loans before a lender does it for them, and shrinking product photos so their shops load fast. Developers formatting JSON at 1 a.m., designers converting colors between a mockup and the stylesheet, restaurant owners printing QR codes for their menus. None of them needed another account or another subscription β just the right tool, instantly, with nothing of theirs leaving the device. That's the entire idea of this site.
Yes. All 15 tools are free to use with no sign-up and no usage limits. The site is supported by advertising, which keeps the tools free for everyone.
No. Each tool runs entirely in your web browser using JavaScript. Nothing you type, paste or upload is sent to or stored on any server β close the tab and it's gone.
Yes. ToolNova is built mobile-first, so every tool works on phones, tablets and desktops with a modern browser, with layouts and controls sized for touch.
Absolutely β visit the contact page and send your idea. The most requested tools get built first.