Developer Tools

Free developer utilities that run in your browser: view page source on mobile, test API keys against 56 providers, convert any URL to Markdown, and look up WordPress and GitHub IDs.

Source Viewer

View a website's HTML source code on mobile devices, including Chrome on Android and iOS. Just paste a URL to view the page source — with line numbers.

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API Key Tester

Check any AI API key in your browser — your key never leaves your machine.

56 providers

Claude Code Paste Cleaner

Turn a messy Claude Code terminal copy into clean text or restored markdown — entirely in your browser.

Find WordPress Category IDs

List every category ID on any WordPress site in one paste, straight from its REST API.

Find WordPress Post ID

Find any WordPress post's numeric ID in one paste — no need to dig through page source by hand.

Find WordPress Tag IDs

List every tag ID on any WordPress site in one paste, straight from its REST API.

Find WordPress User IDs

List every author's user ID on any WordPress site in one paste, straight from its REST API.

GitHub User ID Finder

Get a GitHub user's numeric ID and profile info in one lookup — straight from the GitHub API, no server in between.

URL to Markdown

Turn any web page into clean, copyable Markdown — strip the chrome you don't want, keep the structured data you do.

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