Undersheet App

Undersheet App is a free Mac browser that lets website owners and developers inspect the underlying HTML and content of websites.

Undersheet is a free Mac app designed for everyday website owners and web developers. It allows users to see the content and structure beneath a website's visual design. Users can explore the original HTML including text, headings, links, images, metadata, and structured data. This helps developers and site owners make informed SEO and AEO choices by viewing the website from a computer's perspective. The application is currently in beta, free to use, and available for macOS 13+ supporting both Apple silicon and Intel processors.

Undersheet App at a glance

Best for: Software engineer, Product manager, Marketer
Runs on: macOS
Pricing: Free to use during beta
Released: October 2026
Category: AI search engine
Website: undersheet.app

Key features

Explore original HTML content and structure
View text, headings, links, and images
Inspect metadata and structured data
Analyze content for search engines and LLMs
Inform SEO and AEO choices

Use it for

Informing SEO and AEO choices for websites
Inspecting underlying website structure and content
Viewing websites from a search engine point of view

Alternatives to Undersheet App

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MemFree — It combines hybrid web search with AI summarization and page generation.
Searchbase — Independent web access with support for REST, MCP, self-hosting, and managed cloud.
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No-Code Scraper — It uses AI to adapt to website changes automatically without maintenance.
Meilisearch — It returns answers in less than 50 milliseconds with out-of-the-box relevancy.
Freehire — Search over 3 million deduplicated tech jobs with stack and seniority tags for free.
Crawl4AI — Turns any URL into clean Markdown or typed JSON for AI models.

All Undersheet App alternatives