HTML to Markdown Converter

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Convert HTML into clean Markdown for docs, wikis, and notes. Preserve headings, links, lists, and code blocks. Save time by reusing web content in a readable format.
Paste HTML
Enter a URL
Upload an HTML file
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Convert HTML to Markdown with ThunderbitUse Thunderbit to scrape pages, subpages, PDFs, docs, and images into structured tables in a few clicks. Automate collection and export to Sheets, Airtable, or Notion.
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Convert HTML to Markdown with Thunderbit

Collect structured data from any website while you browse with Thunderbit’s AI Web Scraper Chrome extension. Use AI Suggest Fields, scrape pagination and subpages, and extract details from PDFs, docs, and images, then summarize, categorize, and format results into a clean table. Export your extracted data to Google Sheets, Airtable, or Notion, or download as CSV or JSON. Choose cloud scraping for speed or browser scraping for logged-in pages, and schedule recurring runs to keep datasets up to date.

How to Convert HTML to Markdown Using Thunderbit

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STEP 1Download and InstallDownload and install the Thunderbit Chrome Extension from the Thunderbit Chrome Extension Download Page. Once installed, log in or create a free account to get started.
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STEP 2Open ExtensionOpen the Thunderbit Chrome Extension, then select the HTML to Markdown Converter. Choose one input method: (1) Paste HTML: open the "Paste HTML" tab and paste your HTML into the "html" field, (2) Enter a URL: open the "Enter a URL" tab and paste the webpage link into the "url" field, or (3) Upload an HTML file: open the "Upload an HTML file" tab and upload one .html or .htm file. In the "flavor" dropdown, select your target output style (Standard Markdown or GitHub Flavored Markdown).
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STEP 3Click the Convert to Markdown ButtonClick the "Convert to Markdown" button to generate Markdown text from your selected source. Thunderbit will convert headings, paragraphs, emphasis, links, images, lists, blockquotes, code blocks, and tables (when applicable, especially in GitHub Flavored Markdown). After the Markdown appears in the output, copy it into your editor or documentation tool, or save it to your preferred workspace.

Learn how to convert HTML into clean Markdown text

Convert HTML into Markdown

Turn raw HTML into readable Markdown for docs, wikis, and knowledge bases. Paste HTML directly, and the converter preserves headings, paragraphs, bold/italic emphasis, links, images, blockquotes, lists, and inline code. It also removes scripts, styles, and common boilerplate where reasonable, so you get content you can edit and publish. This is ideal for writers, developers, and ops teams migrating content out of web pages.
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Choose a Markdown flavor for your target platform

Select Standard Markdown or GitHub Flavored Markdown (GFM) to match where your content will live. GFM support helps when you need Markdown tables, task lists, and strikethrough formatting that render well in GitHub, many CMS editors, and internal tools. Code blocks from <pre><code> are converted into fenced blocks, keeping language tags when available, which helps teams maintain readable technical documentation.
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Repurpose web content from a URL

Convert an article or documentation page by entering its URL, then reuse the Markdown in README files, product docs, or support articles. This workflow is useful for marketing and documentation teams consolidating content across sites, and for engineers who want to bring reference pages into a repo. By standardizing on Markdown, teams can review changes, collaborate, and keep content consistent across channels.
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Migrate legacy HTML files into modern documentation

Upload .html or .htm files to convert archived pages, exported CMS content, or legacy help-center articles into Markdown. This is helpful for teams moving from older site builders to Notion, GitHub, or other Markdown-based systems. The converter keeps structure like lists, quotes, and tables (when possible), reducing manual cleanup and making large-scale content migrations more predictable and easier to QA.
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What users say about Thunderbit

Taryn W.Growth Strategist@Thunderbit changed how I run competitor research. I click 'AI Suggest Fields,' and it builds a clean table across paginated results—no coding, no CSS. Huge time-saver when analyzing product data from long-tail marketplaces.
Miles T.Sales Development ConsultantI use Thunderbit to grab emails and phone numbers from directories. It extracts clean contact info in one click, and exporting to Sheets or Notion takes seconds. No extra setup, no coding—just usable data ready to work with.
Rhea C.E-commerce AnalystThunderbit helps me monitor SKU data across multiple pages. I scrape the listings, then use Subpage Scraping to pull full product specs, pricing, reviews, and stock. The AI organizes everything into columns I define.
Cassian B.Real Estate AdvisorThunderbit's Scheduled Scraper makes real estate tracking easier. I describe the interval in plain English, and it automatically pulls updated listings, prices, and links without touching the setup again. Simple and very practical.
Dorian B.Content & SEO SpecialistI use Thunderbit's Field AI Prompts to clean and tag scraped blog content. It extracts titles, authors, and even suggests categories. Works great across dynamic sites and subpages—perfect for building structured SEO datasets.
Lina K.Marketplace Operations LeadWe track SKUs from niche stores using Thunderbit. Cloud Scraping handles 50 pages at a time, and for login-required sites, we switch to browser mode. It’s fast, flexible, and doesn’t need ongoing maintenance or manual edits.
Jorge F.Inbound Sales ManagerThunderbit’s AI Autofill is a lifesaver. After scraping contact info, I use it to fill lead forms directly in my browser. I just select the tab, and it fills everything using the scraped row. No manual input needed.
Alina D.Freelance ResearcherI rely on Thunderbit for extracting data from PDFs, image-based sites, and infinite scroll pages. It handles messy formats with AI and delivers ready-to-export tables I can send to Google Sheets or Airtable in seconds.
Taryn W.Growth Strategist@Thunderbit changed how I run competitor research. I click 'AI Suggest Fields,' and it builds a clean table across paginated results—no coding, no CSS. Huge time-saver when analyzing product data from long-tail marketplaces.
Miles T.Sales Development ConsultantI use Thunderbit to grab emails and phone numbers from directories. It extracts clean contact info in one click, and exporting to Sheets or Notion takes seconds. No extra setup, no coding—just usable data ready to work with.
Rhea C.E-commerce AnalystThunderbit helps me monitor SKU data across multiple pages. I scrape the listings, then use Subpage Scraping to pull full product specs, pricing, reviews, and stock. The AI organizes everything into columns I define.
Cassian B.Real Estate AdvisorThunderbit's Scheduled Scraper makes real estate tracking easier. I describe the interval in plain English, and it automatically pulls updated listings, prices, and links without touching the setup again. Simple and very practical.
Dorian B.Content & SEO SpecialistI use Thunderbit's Field AI Prompts to clean and tag scraped blog content. It extracts titles, authors, and even suggests categories. Works great across dynamic sites and subpages—perfect for building structured SEO datasets.
Lina K.Marketplace Operations LeadWe track SKUs from niche stores using Thunderbit. Cloud Scraping handles 50 pages at a time, and for login-required sites, we switch to browser mode. It’s fast, flexible, and doesn’t need ongoing maintenance or manual edits.
Jorge F.Inbound Sales ManagerThunderbit’s AI Autofill is a lifesaver. After scraping contact info, I use it to fill lead forms directly in my browser. I just select the tab, and it fills everything using the scraped row. No manual input needed.
Alina D.Freelance ResearcherI rely on Thunderbit for extracting data from PDFs, image-based sites, and infinite scroll pages. It handles messy formats with AI and delivers ready-to-export tables I can send to Google Sheets or Airtable in seconds.

Frequently Asked Questions

Extract Data using AI
Easily transfer data to Google Sheets, Airtable, or Notion
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