Artifacts

Draw on and annotate PDFs in the browser without sending the document to a server.

Converts PDF files to Markdown inside the browser without uploading them.

Estimates carbon emissions from training a machine learning model based on GPU, hours and region.

Abstract board game written in Rust and WebAssembly, playable online.

Local-first, privacy-focused resume builder that runs entirely in the browser, with a Chinese interface.

Views STL and OBJ files in the browser, which the page says stay on your device.

Previews an icon inside maskable-icon safe zones and exports a PWA-ready version.

Frontend web app for exploring piano chords freely and interactively with sound.

Electric guitar effects and cabinet emulator built with the Web Audio API.

A toolbox of 152 free browser-based tools, available in 17 languages with no signup.

Estimates how much GPU memory a language model needs for a given size, quantisation and context length.

Recipe keeper that turns a pasted link into a clean card of ingredients and steps, stored locally with no account.

Pulls a color palette from an image using WebAssembly and Rust in the browser.

Browser QR generator that overlays a logo, adds UTM campaign parameters and exports PNG or SVG up to 1200 px.

Datasette running in the browser through WebAssembly to explore SQLite and CSV files.

Solves sudoku from a camera or uploaded photo, running recognition in the browser.

Browser-based 2FA code generator offered as an alternative to authenticator phone apps.

Frontend-only speedcubing timer with scrambles and solve statistics, no server required.

Local-first PWA that combines habit tracking, tasks, finance, journaling and workout logs in one place.

Opinionated demo for compressing JPEG and other images in the browser.

Single-file web page that produces TOTP codes from your secret without an account.

Privacy-focused online text diff tool that creates and shares comparisons.

Creates QR codes for text, email, WiFi and more directly in the browser, with no limit.

Auto-detects pasted strings such as JWT, JSON, base64, URI, timestamp or gzip and shows the decoded view.