Everything in the catalog

Converts text to upper case.

Breaks a URL into parts you can edit, then rebuilds it.

Turns a video clip into an animated GIF.

Stamps a text watermark onto one or more images.

Adds a chosen prefix and suffix around every list item.

Persian text-to-speech that runs through ONNX in the browser.

Clean up Persian SRT subtitle files in the browser.

Sourdough workbench with a baker's percentage calculator, levain builder and bake schedule, saved in your browser.

A local-first block notes app with nested pages, templates and an optional AI assistant using a key you supply.

Demonstrates a small model calling tools from the browser using Transformers.js and WebGPU.

Runs the very small LFM2.5 230M language model with custom WebGPU kernels in the tab.

Opens Blender .blend files from a URL or GitHub link and shows the meshes, curves and text with orbit controls.

Extracts text from PDFs and images with Tesseract.js; the page says files stay in your browser.

Runs prompts against the language model built into Chrome, downloading it on first use.

Saves pasted clipboard content in several formats (text, HTML, RTF, images) so you can keep or download it.

Shrinks animated GIFs with gifsicle running in WebAssembly, from lossless to aggressive presets.

Renders DOT graph source as SVG as you type and stores the graph in the URL fragment for sharing.

Generates several resized and recompressed versions of one image so you can pick the smallest file that still looks fine.

Drop in a picture or use the webcam and a CLIP model run by Transformers.js says whether a bird is in it.

Boots a small Linux image through the v86 x86 emulator so you can run shell commands in a tab.

Lets you pick a local folder and browse and search its file tree in the browser.

Renders Mermaid flowcharts and sequence diagrams as Unicode box-drawing text using a WebAssembly library.

Renders Mermaid flowchart and sequence diagrams as terminal-style Unicode box art in the browser.

Runs MicroPython in WebAssembly and stores the code in the URL so snippets are easy to share.