Available Tools

Explore calculators, chart builders, and creative utilities designed to make complex workflows feel effortless.

Chart Maker

Create various charts with an interactive configuration panel.

Bar Chart Maker

Easily generate bar charts using Vega-Lite.

Bubble Chart Maker

Quickly craft bubble charts from your data.

Line Chart Maker

Create line charts in seconds.

Pie Chart Maker

Turn data into pie charts instantly.

Donut Chart Maker

Highlight contributions with a donut-style chart.

Scatter Plot Maker

Visualize relationships with scatter plots.

Radar Chart Maker

Design spider charts to compare multiple groups at once.

Adderall Levels in Urine Calculator

Estimate urine concentrations over time.

Caffeine Retention Calculator

Track caffeine levels in your body over 24 hours.

CGPA Calculator

Compute semester GPA and update your cumulative CGPA with credit-weighted grades.

Fake Word Generator

Create fun, pronounceable words for your next project.

Simple Sourdough Calculator

Calculate sourdough ingredients using Baker's Math. No more mental math in the kitchen.

Video To Lottie Converter

Turn MP4, WEBP or MOV videos into a Lottie JSON with embedded images.

Lottie Preview

Upload .json or .lottie files to preview animations with this free Lottie viewer.

Vinegar pH Calculator

Determine dilution ratios and pH for vinegar solutions.

Vinegar Dilution Calculator

Work out how much water to add to concentrated vinegar for a target acidity level.

Molar Concentration Calculator

Compute molarity, plan dilutions, and review chemistry reference notes.

Black-Scholes Calculator

Calculate the theoretical value of stock options using the Black-Scholes model.

Dividends Calculator

Estimate dividend income with DRIP, tax allowances, and growth projections.

Half-Life Calculator

Calculate decay values and convert between half-life, mean lifetime, and decay constant.

US County Spatial Visualization

Create county-level heatmaps using Vega-Lite.

Cross Product Calculator

Calculate the cross product of n-dimensional vectors with flexible input.

Sports League Schedule Generator

Build balanced sports schedules with bye weeks, rest controls, and CSV exports.

Linear Regression Calculator

Fit a best-fit line, compute slope and intercept, and visualize residuals from your dataset.

Mixed Numbers Calculator

Step-by-step arithmetic with mixed numbers, fractions, decimals, and integers.

GDP Per Capita Calculator

Calculate GDP per person from GDP and population.

Slope Calculator

Compute slope from two points or find coordinates using distance and slope or angle.

IPYNB to PDF Converter

External

Convert Jupyter notebooks (.ipynb) into shareable PDF documents online for free.

IPYNB to Python Script

External

Turn notebook files into clean .py scripts that are ready for editing or version control.

IPYNB to HTML Converter

External

Export Jupyter notebooks as standalone HTML pages you can publish or share in a click.

AI Calculator Online

External

Discover additional free online calculators and tools.