Apps - Apps we've built.

Apps, tools, and browser extensions we've built — free, mostly open-source, and designed to make developers more productive.

New

Filemark

Beautiful Markdown, MDX, JSON & schema viewer for Chrome

Drop in a .md, .mdx, .json, .sql, .prisma, or .dbml file and watch it render exactly how you want — beautifully, instantly, and 100% on your machine. No cloud, no account, no tracking.

Open

New

SQL Schema Visualizer

Turn SQL DDL into an interactive ER diagram

Paste your SQL schema and instantly get an interactive entity-relationship diagram. Explore tables, columns, keys, and relationships visually — no signup, runs entirely in your browser.

Open

New

LaunchKit

Chrome extension asset studio — icons, screenshots, and promo images in one place

Generate, edit, and manage all the image assets you need to publish on the Chrome Web Store. Upload one icon to get all 4 required sizes, design screenshots and promo tiles with a built-in canvas editor, and export everything as a ZIP. Runs entirely in your browser — no backend, no uploads, no accounts.

Open

New

HTTP Lens

Network request debugger for HTTP and GraphQL

A Chrome DevTools extension that captures, analyzes, and provides deep inspection tools for all HTTP and GraphQL network traffic. Debug requests with formatted JSON trees, replay calls, diff responses, and export as cURL or HAR — all from a dedicated DevTools panel.

Open