Artifacts

DuckDB SQL shell that runs entirely in the browser via WebAssembly, reading local and remote files.

Opens and edits Word, Excel and PowerPoint files and annotates PDFs in the browser, with processing done locally.

Add images, signatures and text to a PDF with everything done inside the browser.

Records the screen into a GIF in the browser, with frame trimming before export.

Play the Snake demo cart on the WASM-4 fantasy console, a 160x160 retro game platform for WebAssembly.

Client-side PDF utilities to merge, split, compress, sign and protect files with no uploads.

Chains encoders, decoders and ciphers in a modular pipeline, with conversions running in the browser.

Encrypts files and splits the key among trusted people so a chosen number must combine shares to open them.

Runs ffmpeg in the browser so you can convert and edit video files without uploading them.

HTML5 player and text pane for transcribing interviews, with keyboard shortcuts to control audio playback.

Invoice generator that runs fully in the browser; no sign-up, templates, logo and instant PDF export.

In-browser, local-first resume maker where you write the resume in Markdown and export a PDF.

Runs the R language entirely in the browser using WebAssembly.

Batch image compressor that runs in the browser using codecs compiled to WebAssembly.

Bundles, minifies and compresses npm packages in the browser to show gzip and brotli size.

Converts JSON to CSV in the browser and states that data is not sent to a server.

Draws an entity-relationship diagram from pasted CREATE TABLE statements, locally in the page.

Write a resume in Markdown and print or save it as an ATS-friendly PDF, with data kept in the browser.

Places screenshots in browser or device frames over backgrounds; the page says it runs in your browser.

Parses DER, BER and PEM data such as certificates and keys into a readable ASN.1 tree.

Texas Hold'em postflop GTO solver that runs in the browser using WebAssembly.

Browser word processor that opens and saves docx and odt files with no account and local processing.

Offline-capable viewer of tldr-pages command cheat sheets that runs in the browser.

Paste service that keeps the text in the URL fragment, so no database or server storage is needed.