Free, interactive machine learning calculators and developer tools. Perfect for students, researchers, and practitioners.
15 tools available
Essential activation functions for neural networks
Free online sigmoid function calculator with interactive visualization. Calculate sigmoid(x) = 1/(1+e^(-x)) for any input. Perfect for machine learning and neural network studies.
Free ReLU and Leaky ReLU activation function calculator with visualization. Calculate max(0,x) and understand when to use each variant in neural networks.
Free hyperbolic tangent (tanh) calculator with interactive graph. Calculate tanh(x) values and visualize the S-curve for neural network activation functions.
Free online softmax calculator for converting logits to probabilities. Essential for multi-class classification in neural networks. Includes temperature scaling.
Free GELU (Gaussian Error Linear Unit) and Swish activation function calculator. Used in transformers like BERT and GPT. Interactive visualization included.
Calculate training loss metrics
Network architecture and analysis tools
Calculate convolutional neural network output dimensions. Input kernel size, stride, padding to get output feature map size. Essential for CNN architecture design.
Count trainable parameters in neural networks. Add layers (Dense, Conv2D, LSTM) and calculate total parameters. Essential for model complexity analysis.
Count tokens for GPT-4, Claude, Llama and other LLMs. Estimate API costs and context usage. Essential for prompt engineering and cost optimization.
Model evaluation and performance metrics
Everyday developer utilities
Free online JSON formatter, validator, and beautifier. Minify or prettify JSON with customizable indentation. View JSON statistics and structure analysis.
Free Base64 encoder and decoder tool. Convert text to Base64 and decode Base64 to text instantly. Supports Unicode characters.
Generate UUIDs (v1, v4, v7) online. Create unique identifiers for databases, APIs, and applications. Bulk generation and validation included.
Convert colors between HEX, RGB, and HSL formats. Generate color shades and get CSS values. Free online color picker and converter tool.
Our ML toolkit provides interactive calculators for essential neural network functions. Calculate sigmoid, ReLU, tanh, softmax, and GELU activation functions with real-time visualizations. Understand loss functions like MSE, MAE, and cross-entropy with step-by-step breakdowns.
Perfect for machine learning students learning the fundamentals, researchers prototyping new architectures, and practitioners debugging model behavior.
Everyday utilities for developers: format and validate JSON, encode and decode Base64 strings, generate UUIDs (v1, v4, v7), and convert colors between HEX, RGB, and HSL formats.
All tools run entirely in your browser - no data is sent to any server. Fast, private, and always available.
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