Free online machine learning calculators. Input your dataset and watch algorithms like K-Means, Minimax, and KNN get solved step-by-step for CS exams.
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22 alternativesNN Visual
NN Visual lets users configure and train neural networks while viewing layer activations and learning steps.
About NN Visual
NN Visual is a web tool for configuring, initializing and training neural networks while viewing layer activations and learning steps. Users can choose a dataset, set up hidden layers, train the model, and follow forward and backpropagation behavior through the interface.
Built-in examples shown include auto_mpg regression, iris classification, XOR binary classification and MNIST classification with a drawing input. During training, the site displays training loss, held-out test loss, mean absolute error and weight distribution. A leaderboard records accuracy at epoch 100, and entries can be submitted after training to epoch 100. Pricing information is not stated.
Key features
- Choose datasets for regression, classification, XOR, or drawn MNIST digits
- Configure hidden layers and initialize a model before training
- Train networks and view forward and backpropagation steps
- See layer activations through node brightness or color intensity
- Track training loss and held-out test loss over epochs
- Inspect mean absolute error and weight distribution histograms
Best for: Students, educators and beginners who want an interactive way to observe how neural networks learn from data.
Good for
- Combines dataset selection, network configuration and training in one web interface.
- Includes built-in regression, classification and image datasets.
- Displays training loss, held-out test loss, mean absolute error and weight distribution.
Watch out for
- Available only as a web tool.
- Leaderboard submission requires training to epoch 100.
- No pricing information is stated.
NN Visual at a glance
- Website
- nn-visual.com
- Category
- Education & Learning › AI Learning & Guides
- Type
- Online tool
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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NN Visual FAQ
What datasets are available?
The homepage shows auto_mpg regression, iris classification, XOR binary classification, and MNIST classification with a drawing input.
What can I monitor while training a network?
The interface shows training loss, held-out test loss, mean absolute error, weight distribution, and node brightness or color for activation strength.
How do I submit a score to the leaderboard?
Train to epoch 100; the leaderboard measures accuracy at epoch 100 and entries can be submitted after reaching that epoch.
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