Artifacts

Enter input, cached and output token counts to see cost per model from a price table.

Renders an HTML or CSS animation in headless Chromium on a server and encodes it with FFmpeg into an MP4 or WebM file.

Timed card-matching game with easy, medium and hard grids, flip animations and win/loss statistics.

Measures distance to servers, jitter, lag spikes, packet loss and bandwidth to judge if Xbox Cloud Gaming will run well.

Shows how savings grow over time given a starting amount, regular deposits and an assumed yearly return, with yearly totals.

Takes a list of players with skill, position and goalie willingness and divides them into evenly matched sides.

Guides you through describing an app so the answers are assembled into a detailed brief for an AI coding assistant.

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

Lets a teacher lay out piano notation with color-coded notes so beginners can read the score more easily.

Calculator for engineering tasks that handles several variables and user-defined formulas, built by prompting an AI coding tool.

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.

Fetches a site's pages and assets and rates how likely it was built with AI app builders like v0, Bolt, Cursor or Lovable.

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

Portuguese-language tool that turns a photo into a duotone halftone avatar or text banner.

Upload a floor plan image, set its scale, then trace areas to get a digital takeoff of room sizes.

Painting canvas that imitates how wet watercolour strokes spread and blend, built with Claude.

List tasks with a duration each, run them in order, and get an alert when each time is up.