The Student's Browser Toolkit

Smarter Tools for Studying on the Web

Lightweight, privacy-first web tools designed specifically for high school, university, and Chromebook students. Zero installations, zero tracking, pure focus.

Explore Free Tools → ⏱️ Launch Study Timer
✓ 100% Client-Side Privacy ✓ Fast on Chromebooks ✓ No Paywalls or Sign-ups
Toolkit Hub

Instant Browser Tools

Engineered with vanilla JavaScript for instant local performance.

Live Now Focus
Study Timer & Pomodoro
Boost study focus with 25/5 and 50/10 intervals, custom sessions, sound chimes, and fullscreen mode.
Launch Timer →
Live Now Grades
Grade Calculator
Calculate weighted coursework percentages, points grades, and test required final exam targets.
Calculate Grades →
Live Now Writing
Essay Word Counter
Track words, characters, sentences, reading time, and meet essay word targets with live progress bars.
Count Words →
Live Now Research
Reading Time Calculator
Estimate textbook and research reading duration with workload suggestions and Pomodoro break planning.
Estimate Reading Time →
Live Now Grades
GPA Calculator
Calculate semester and cumulative GPA across credit weights on standard 4.0 and weighted 5.0 scales.
Calculate GPA →
Live Now Grades
Final Grade Calculator
Find the minimum final exam score you need to reach your target grade. Instant formula-based calculation.
Calculate Required Score →
Live Now Grades
Weighted Grade Calculator
Calculate your overall course grade from weighted categories — homework, quizzes, midterms, and finals.
Calculate Weighted Grade →
Live Now Writing
APA Citation Generator
Generate APA 7th edition citations for websites, books, journal articles, and YouTube videos. No ads.
Generate APA Citation →
Live Now Writing
MLA Citation Generator
Create perfect MLA 9th edition citations for websites, books, journals, and YouTube videos instantly.
Generate MLA Citation →
Live Now Focus
Study Schedule Generator
Build a personalized study plan from today to exam day. Set subjects, priorities, and daily study hours.
Generate My Schedule →
Live Now Study
Flashcard Maker
Create digital flashcard decks, study with flip animations, track progress, and save locally in your browser.
Create Flashcards →
Live Now Writing
Words to Pages Converter
Convert essay words to pages (single, 1.5, and double spaced) with Times New Roman and Arial font profiles.
Convert Words & Pages →
Live Now Science
Science & Lab Unit Converter
Instant conversions for high school science homework: Temperature (°C, °F, K), Length, Mass, Speed, and Volume with formulas.
Convert Science Units →
Why LeafBrowser

Why Students Choose LeafBrowser

Unlike ad-bloated calculator sites, LeafBrowser is built for real study sessions.

🔒

100% Private & Local

Your essay drafts, notes, and coursework grades never touch external cloud servers. All computations run right in your browser memory.

💻

Optimized for Chromebooks

Clean vanilla JavaScript with zero heavy frameworks ensures smooth 60fps operation even on low-spec school Chromebooks.

🎯

Distraction-Free Focus

Full-screen focus modes, synthesized audio bell alerts, and clean uncluttered layouts help you enter a deep study flow.

Study Guides & Insights

From the Leaf Journal

Evidence-based study techniques, academic workflows, and research strategies to elevate your learning.