--- title: "LLMFeeder vs book-to-skill" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/jatinkrmalik-llmfeeder-vs-virgiliojr94-book-to-skill" tools: ["jatinkrmalik-llmfeeder", "virgiliojr94-book-to-skill"] --- # LLMFeeder vs book-to-skill *GraphCanon updated Sep 20, 2026* ## Verdict Pick LLMFeeder if lLMFeeder simplifies preparing web content for AI models by converting it to Markdown with one click; pick book-to-skill if book-to-skill is a Python-based tool that converts technical book PDFs into Claude Code skills, facilitating effective study and reference. [LLMFeeder](https://llmfeeder.fyi) reports 471 GitHub stars, 58 forks, and 12 open issues, last pushed Sep 5, 2026. [book-to-skill](https://github.com/virgiliojr94/book-to-skill) has 31k stars, 3.2k forks, and 16 open issues, last pushed Sep 17, 2026. Figures are from public GitHub metadata via [LLMFeeder's repository](https://github.com/jatinkrmalik/LLMFeeder) and [book-to-skill's repository](https://github.com/virgiliojr94/book-to-skill). | | [LLMFeeder](/tools/jatinkrmalik-llmfeeder.md) | [book-to-skill](/tools/virgiliojr94-book-to-skill.md) | | --- | --- | --- | | Tagline | Browser extension for converting web pages to clean Markdown | Converts technical book PDFs into Claude Code skills for study and reference | | Stars | 471 | 31,078 | | Forks | 58 | 3,224 | | Open issues | 12 | 16 | | Language | JavaScript | Python | | Adopt for | LLMFeeder simplifies preparing web content for AI models by converting it to Markdown with one click. | book-to-skill is a Python-based tool that converts technical book PDFs into Claude Code skills, facilitating effective study and reference. | | Persona | - | - | | Runtime | - | - | | License | MIT | MIT license applies to the converter code and skill definition in the repository, but not to any book or document processed with it. | | Categories | Developer Tools, Model Training | AI Agents, Data & Retrieval, Developer Tools | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [LLMFeeder](/tools/jatinkrmalik-llmfeeder.md) | [book-to-skill](/tools/virgiliojr94-book-to-skill.md) | | --- | --- | --- | | Maintenance | Active (82%) | Very active (96%) | | Days since push | 14d | 0d | | Open issues (now) | 12 | 16 | | Stars delta | +20 (30d) | Unknown | | Open issues delta | +2 (30d) | Unknown | | Full report | [trust report](/tools/jatinkrmalik-llmfeeder/trust.md) | [trust report](/tools/virgiliojr94-book-to-skill/trust.md) | ## Decision facts: LLMFeeder - **Adopt for:** LLMFeeder simplifies preparing web content for AI models by converting it to Markdown with one click. ## Decision facts: book-to-skill - **Pricing:** freemium - The tool is free to use under the MIT license, but any books or documents processed with it are subject to their own licensing. - **Requirements:** Min 2 GB RAM; Requires Python environment to run the tool. - **Adopt for:** book-to-skill is a Python-based tool that converts technical book PDFs into Claude Code skills, facilitating effective study and reference. - **License detail:** MIT license applies to the converter code and skill definition in the repository, but not to any book or document processed with it. ## Choose when ### Choose LLMFeeder if… - LLMFeeder is primarily JavaScript; book-to-skill is Python. - Tags unique to LLMFeeder: ai, automation, browser-extension, llm. - Also covers Model Training. - When you need quick, clean markdown from webpages for use in AI language models ### Choose book-to-skill if… - book-to-skill is primarily Python; LLMFeeder is JavaScript. - Pricing: The tool is free to use under the MIT license, but any books or documents processed with it are subject to their own licensing.. - Requirements: Min 2 GB RAM; Requires Python environment to run the tool.. - Tags unique to book-to-skill: agent-skills, ai-agents, book-to-skill, context-engineering. - Also covers AI Agents, Data & Retrieval. - When you need to convert technical book PDFs into a format that can be easily studied and referenced using Claude Code skills. ## When NOT to use LLMFeeder - For pages needing complex formatting retention since Markdown conversion strips style - If real-time interaction with webpage content is required post-conversion, as it copies plain text only ## When NOT to use book-to-skill - If your goal is to convert non-technical books or documents that do not require the specific format of Claude Code skills. - When you are looking for a tool that processes and converts documents into formats other than those compatible with Claude Code. ## Common questions ### What is the difference between LLMFeeder and book-to-skill? LLMFeeder: Browser extension for converting web pages to clean Markdown. book-to-skill: Converts technical book PDFs into Claude Code skills for study and reference. See the comparison table for live GitHub stats and shared categories. ### When should I choose LLMFeeder over book-to-skill? Choose LLMFeeder over book-to-skill when LLMFeeder is primarily JavaScript; book-to-skill is Python; Tags unique to LLMFeeder: ai, automation, browser-extension, llm; Also covers Model Training; When you need quick, clean markdown from webpages for use in AI language models. ### When should I choose book-to-skill over LLMFeeder? Choose book-to-skill over LLMFeeder when book-to-skill is primarily Python; LLMFeeder is JavaScript; Pricing: The tool is free to use under the MIT license, but any books or documents processed with it are subject to their own licensing.; Requirements: Min 2 GB RAM; Requires Python environment to run the tool.; Tags unique to book-to-skill: agent-skills, ai-agents, book-to-skill, context-engineering; Also covers AI Agents, Data & Retrieval; When you need to convert technical book PDFs into a format that can be easily studied and referenced using Claude Code skills. ### When should I avoid LLMFeeder? For pages needing complex formatting retention since Markdown conversion strips style If real-time interaction with webpage content is required post-conversion, as it copies plain text only ### When should I avoid book-to-skill? If your goal is to convert non-technical books or documents that do not require the specific format of Claude Code skills. When you are looking for a tool that processes and converts documents into formats other than those compatible with Claude Code. ### Is LLMFeeder or book-to-skill more popular on GitHub? book-to-skill has more GitHub stars (31,078 vs 471). Stars measure visibility, not whether either tool fits your constraints. ### Are LLMFeeder and book-to-skill open source? Yes - both are open-source projects on GitHub (LLMFeeder: MIT, book-to-skill: MIT). ### Where can I find alternatives to LLMFeeder or book-to-skill? GraphCanon lists graph-backed alternatives at [LLMFeeder alternatives](/tools/jatinkrmalik-llmfeeder/alternatives) and [book-to-skill alternatives](/tools/virgiliojr94-book-to-skill/alternatives) ([LLMFeeder markdown twin](/tools/jatinkrmalik-llmfeeder/alternatives.md), [book-to-skill markdown twin](/tools/virgiliojr94-book-to-skill/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/jatinkrmalik-llmfeeder-vs-virgiliojr94-book-to-skill.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, LLMFeeder or book-to-skill? LLMFeeder: Active. book-to-skill: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for LLMFeeder and book-to-skill? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [LLMFeeder trust report](/tools/jatinkrmalik-llmfeeder/trust); [book-to-skill trust report](/tools/virgiliojr94-book-to-skill/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=jatinkrmalik-llmfeeder`](/api/graphcanon/graph?tool=jatinkrmalik-llmfeeder) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_