A collection of practical web utilities for everyday tasks.
Blur selected areas of an image to protect privacy
Clean whitespace, line breaks, and adjust casing
Convert URLs to scannable QR codes
Large-screen timer for exams or talks
Validate, pretty-print, and minify JSON
Convert text and files to/from Base64
Convert between Unix timestamp and datetime
Encode/decode full URLs or URL components
Create secure, random passwords
Visualize GP priors, posteriors, and hyperparameter sampling with MCMC and HMC.
Experiment with network width, regularization, dropout, and optimizers in a simple regression demo.
Inspect feature maps, compare small CNN variants, and test digit predictions with sample or hand-drawn inputs.
Compare RNN and LSTM sequence models, inspect hidden dynamics, and watch forecasting behavior across datasets.
Explore node classification, oversmoothing, residual connections, and label scarcity on small graph datasets.
Inspect causal self-attention, compare head and depth settings, and interact with a tiny language model.