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10 free tools · 100% in your browser

The ML Toolbox
for data scientists & students

Score classifiers and regressors, size your splits and samples, scale features, encode categories and estimate model memory, instantly, in your browser.

10 tools0 data leaves your browserNo signup

Pick a tool

Everything computes locally, paste real numbers without worry.

Every tool on its own page

All 10 tools of the ML Toolbox, each with how to use it, a worked example and answers to common questions.

Confusion Matrix CalculatorRegression Metrics CalculatorTrain/Val/Test Split CalculatorK-Fold Cross-Validation CalculatorSample Size CalculatorNormalize / ScaleOne-Hot EncoderActivation ExplorerModel Size EstimatorClass Balance
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FAQ

Questions, answered

Are the ML Toolbox tools free to use?
Yes. Every tool here is free, private, and runs entirely in your browser, with no signup and nothing uploaded to a server.
What ML metrics can I compute here?
Confusion-matrix metrics like precision, recall, and F1, regression metrics such as MAE and RMSE, and sample-size calculations, all in your browser.
Do I need an account or to install anything?
No account and no install. Open the page and start using it. The tools keep working even offline once the page has loaded.
How does CareerByteCode help my career beyond these tools?
Join the community for mentorship, grow your personal brand, and freelance under the CareerByteCode brand with a 55% to 80% revenue share. Join the community.

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