30+ visual, interactive tools across Maths, Science, English, Geography and History for Class 1–12 — built by Ocoviz and free for every student, parent and teacher. No sign-up, no credit card, nothing to install.
Every tool opens on our free education portal, ocovizeducation.com — open any one and start instantly, no account needed.
Colour-coded tables 1–20 with skip-counting patterns and a printable chart.
Pick a limit and see all primes highlighted in a clean grid.
Enter 2–4 numbers and see the full prime-factorisation working, drawn visually.
See fractions as pie/bar charts, with animated add, subtract, multiply and divide.
Area, perimeter, surface area and volume with step-by-step working and a live diagram.
Plot lines, quadratic curves and points on an interactive grid. Download as PNG.
Compare SI vs CI with working, a year-by-year table and a bar chart.
Binary, Octal, Decimal and Hexadecimal with full step-by-step working.
Mean, median, mode, range, variance and SD with a frequency chart.
Every Class 6–12 formula in one place — filter, quick-copy or print.
Exact sin, cos, tan for all standard angles with a unit-circle animation.
Draw on one half of the canvas and watch the other side mirror in real time.
Beat the clock on multiplication tables and earn a certificate for full marks.
Convert numbers to and from Roman numerals with a built-in quiz mode.
Convert length, weight, temperature, speed, area and volume — school units only.
Click any element for its configuration, uses and fun facts.
Drag organisms onto a canvas to build food chains and webs. Download as PNG.
Clickable diagrams for five body systems, each with a function, fact and quiz.
Explore the pH scale 0–14 with colour changes and 16 real-life examples.
To-scale view of all 8 planets and the Sun — toggle size vs distance.
Pick a formula, enter known values and get the unknown with full working.
Mix RGB and CMYK colours and see additive vs subtractive mixing.
Paste a sentence and every word is colour-coded by its part of speech.
Class-wise CBSE word lists with flip, spelling-test and match modes.
Hear the word, type the spelling, and earn a downloadable certificate.
Word and sentence count, reading time and a readability score for essays.
Build 2 or 3-circle Venn diagrams and download them as a PNG image.
Percentage, CBSE grade, a subject bar chart and a shareable result card.
Enter exam dates and subjects to get an optimised, printable study plan.
These free tools are our gift to students everywhere. For schools that want live student intelligence — risk alerts, analytics and automated reporting — see what the Ocoviz platform does.
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