Artifacts

Crunches 50,000 log lines either on the main thread or in a Web Worker, so you can feel the difference in UI blocking.

Displays the hidden data inside JPEG and PNG photos, such as GPS position and camera details, and exports copies without it.

Side-by-side comparison and merging of text, code, Word, PowerPoint and PDF files, running offline, with extra text clean-up commands.

Chinese-language PDF toolkit for merging, inserting pages, converting images and PPT to PDF, all processed locally.

Covers chosen text or images in a PDF with black boxes and saves flattened pages so the covered content cannot be extracted.

Swaps the black in a PDF for a deep blue, green or violet so a printer with an empty black cartridge can still print it.

Builds QR codes for links, WiFi logins, contacts or SMS, with color and error-correction choices and PNG or SVG download.

Catalan rewriting assistant: click a word or select text to see spelling checks and synonym alternatives from an offline thesaurus.

Write Markdown in one pane and see it rendered live, jump around via a heading outline, and open or save .md files.

Cuts a section out of a video and saves it as GIF, WebP or MP4, with controls for frame rate and output size.

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

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.

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.

Executes ES5-style JavaScript in a small WebAssembly engine and keeps the code in the page address.