Online softmax calculator

Convert logits to probability distributions with our free softmax calculator.

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About This Tool

This online softmax calculator allows you to input a set of numbers (logits) and instantly compute their softmax probabilities. The softmax function is widely used in machine learning, particularly in classification tasks within neural networks, to convert raw scores into a probability distribution where each value is between 0 and 1 and the sum equals 1. Our tool provides a clean, user-friendly interface with real-time calculations, detailed error messages, and a beautifully formatted results display. It's fully responsive and works entirely in your browser—no data is sent to any server.

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How to Use

Enter numbers (logits) in the input field, separated by commas, spaces, or new lines.
Click the 'Calculate Softmax' button to compute the probabilities.
View the results showing each input value, its softmax probability, and a bar chart visualization.
Use the 'Reset' button to clear all inputs and results for a new calculation.

Frequently Asked Questions

Find Quick Answers

What is the softmax function?

The softmax function converts a vector of real numbers (logits) into a probability distribution. It exponentiates each value, sums them, and divides each exponentiated value by the sum, ensuring outputs are between 0 and 1 and sum to 1.

What are typical use cases for softmax?

Softmax is commonly used in machine learning for multi-class classification, such as in neural network output layers, to interpret scores as probabilities for each class.

Can I use decimal or negative numbers?

Yes, the softmax calculator accepts any real numbers, including decimals and negatives. The function handles them by exponentiation, which works for all real inputs.

Is my data sent to a server?

No, all calculations are performed entirely in your browser using JavaScript. Your data never leaves your device, ensuring privacy and security.

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