10 Free Online Tools Every Student Should Bookmark
From unit conversions to word counts — the tools that save students time every single week.
If you're a student, you've probably got a browser with 40 open tabs and a growing pile of deadlines. The right tools turn hours of frustration into seconds.
Here are 10 free online tools that every student should have bookmarked — all browser-based, no sign-up, and no uploads.
1. Length Converter
Physics problems, chemistry labs, geography assignments — all come with measurements that need converting. mm, cm, m, km, inches, feet, yards, miles.
2. Weight Converter
Chemistry homework, cooking classes, nutrition courses — weights show up everywhere. Convert between mg, g, kg, tonnes, ounces, pounds, and stones.
3. Temperature Converter
If your textbook uses Celsius and you think in Fahrenheit (or vice versa), you'll need this constantly. Also handles Kelvin and Rankine — useful for physics.
4. Percentage Calculator
Test scores, discounts, tips, growth rates, statistics — percentages are everywhere. The three-mode calculator handles:
- What is X% of Y?
- X is what percent of Y?
- Percentage increase or decrease
5. Word Counter
Essays, reports, blog posts — every assignment has a word limit. Track words, characters, sentences, paragraphs, and estimated reading time in real time.
6. Case Converter
Style guides demand specific capitalization. Case converter handles UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and 6 more.
7. Lorem Ipsum Generator
For design projects, mockups, or formatting examples, you need placeholder text. Lorem Ipsum generates paragraphs, sentences, or words instantly.
8. Remove Duplicate Lines
Researching something and need to clean up a list? Paste in a column of data and it removes duplicates, trims whitespace, sorts, and numbers the output.
9. Password Generator
If you're still using the same password for school accounts, please stop. Generate strong, unique passwords for every account. Runs in your browser — nothing uploaded.
10. QR Code Generator
Group projects, presentations, flyers for club events — QR codes are everywhere now. Create one that links to a document, video, or form. Download as PNG.
Why use browser-based tools instead of apps?
- No installation. Works on any device, including school computers where you can't install software.
- No sign-up. No email, no account, no spam later.
- Your data stays local. Every tool runs in your browser — nothing is uploaded.
- Free forever. No hidden paywall after a trial period.
Bookmark these once, save time all semester
You don't need 40 tabs. You need 10 tools that actually solve the problems you run into every day. Bookmark the ones you'll use, and move on with your work.
All ten of these tools are on QuickTools — free, fast, and no sign-up required.
Explore by category: Converters · Calculators · Generators · Text Tools
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