Revision Genie Tools

GCSE Study ToolsFree calculators and helpers for exam success.

Access 10 free educational tools designed specifically for GCSE students. From Computer Science calculators to English essay helpers.

All Tools

10 tools available

Beginner

Binary Converter

Convert between binary, decimal, hexadecimal, and octal. Perfect for GCSE Computer Science number systems.

Computer Science
Binary ↔ Decimal
Hexadecimal support
+2 more features
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Intermediate

Truth Table Generator

Generate truth tables for logical expressions. Essential for GCSE Computer Science logic gates and Boolean algebra.

Computer Science
AND/OR/NOT gates
Complex expressions
+2 more features
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Beginner

Grade Boundary Calculator

Calculate your GCSE grades from raw marks. See exactly what you need to achieve your target grades.

Education
All subjects
Grade boundaries
+2 more features
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Beginner

Revision Timetable Maker

Create personalised revision timetables. Balance your subjects and exam preparation effectively.

Study Tools
Subject balancing
Exam scheduling
+2 more features
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Beginner

Word Counter & Readability

Count words, analyze readability, and improve your writing. Perfect for GCSE English coursework.

English
Word counting
Readability scores
+2 more features
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Beginner

Percentage Calculator

Calculate percentages, percentage change, and reverse percentages. Essential for GCSE Maths.

Mathematics
Percentage calculations
Percentage change
+2 more features
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Beginner

Ratio Simplifier

Simplify ratios and solve ratio problems. Complete with step-by-step working for GCSE Maths.

Mathematics
Ratio simplification
Ratio division
+2 more features
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Intermediate

PEE/PEEL Paragraph Helper

Structure your GCSE English essays with PEE/PEEL paragraphs. Point, Evidence, Explain, Link guidance.

English
PEE/PEEL structure
Essay guidance
+2 more features
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Intermediate

Image File Size Calculator

Calculate bitmap image file sizes using resolution, colour depth, and compression. GCSE Computer Science essential.

Computer Science
Resolution calculations
Colour depth
+2 more features
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Intermediate

Sound File Size Calculator

Calculate audio file sizes using sample rate, bit depth, channels, and duration. GCSE Computer Science sound files.

Computer Science
Sample rate calculations
Bit depth
+2 more features
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Why Use Our Tools?

Designed specifically for GCSE students by teachers and examiners.

Step-by-Step Working

Every calculation shows the working, helping you understand the process and learn for exams.

Education Focused

Built specifically for GCSE specifications with exam-relevant examples and explanations.

Completely Free

All tools are free to use with no registration required. Access anytime, anywhere.

Ready to Ace Your GCSEs?

Combine these tools with our AI-powered Genie for personalised learning and practice questions.