Free tools

Tools for students & researchers.

Quick, private, browser-based utilities. Nothing you type is uploaded or stored.

★ a tool to pin it as a favourite — saved in your browser.

Academic

GPA Calculator

Compute semester GPA from course grades and credits.

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Academic

CGPA Calculator

Combine multiple semesters into a cumulative GPA.

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Academic

Percentage & Grade

Convert marks to percentages and letter grades.

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Writing

Word & Character Counter

Live word, character, sentence and paragraph counts.

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Writing

Reading Time Estimator

Estimate how long a text takes to read aloud or silently.

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Writing

Citation Generator

Build APA, MLA, Harvard & Chicago references instantly.

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Writing

Dictionary & Thesaurus

Definitions, pronunciation, synonyms & examples — instantly.

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Research

Wikipedia Quick Lookup

Instant article summaries for any topic, person or concept.

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Science

Unit Converter

Length, mass, temperature, area, volume and time.

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Science

Scientific Calculator

Trig, logs, powers and constants for STEM coursework.

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Life

Currency Converter

Live exchange rates between 30+ world currencies.

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Life

World Clock

Track time across supervisors, family and study partners worldwide.

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Life

Public Holidays

Plan deadlines around national holidays in 100+ countries.

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