Hosted search engine, web content extractor, and API infrastructure.
Zero cost. No rate limits. Complete privacy. Drop-in replacement for Jina Reader.
Everything you need to build powerful research agents and tools
Privacy-respecting meta-search powered by SearchXNG. Aggregates results from Google, Bing, DuckDuckGo, and 70+ other engines. No tracking, no logs, no cookies.
Open Search โExtract clean markdown from any webpage. Jina Reader alternative with 81% content quality, 5x faster speed, and zero API costs. Includes PDF support.
API Docs โAcademic paper search and synthesis with built-in citation traversal and knowledge graph. Perfect for deep research and literature review automation.
Coming SoonNo API fees, no usage limits, no hidden charges. Completely free to use for individuals, researchers, and commercial projects.
5x faster than Jina Reader (850ms vs 4200ms). No LLM inference overhead. Optimized for batch processing.
Privacy-first infrastructure. No tracking pixels, no analytics, no logs. Your searches and extractions stay completely private.
Unlimited searches, unlimited extractions, unlimited API calls. Build whatever you want without worrying about quotas.
Automatically rewrites DOI links to free versions via Unpaywall. Prioritizes open-access papers and preprints.
Drop-in replacement for Jina Reader. Works with Amp, Cursor, Windsurf, Claude Desktop, and any AI coding agent.
Full-page and element-specific screenshots using Playwright. Perfect for archival and visual verification.
Native PDF parsing with section detection. Works with academic papers, technical docs, and research reports.
Extract content from multiple URLs simultaneously. Optimized for large-scale web scraping and research workflows.
RESTful API with JSON responses. Try it live below!
Enter any URL to extract its content as clean markdown
# Extract webpage content
curl -X POST https://api.fast-researcher.com/api/read \
-H "X-API-Key: YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{
"url": "https://example.com",
"format": "markdown"
}'
# Batch extract multiple URLs
curl -X POST https://api.fast-researcher.com/api/batch \
-H "X-API-Key: YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{
"urls": [
"https://site1.com",
"https://site2.com",
"https://site3.com"
],
"format": "markdown"
}'
# Extract PDF content
curl -X POST https://api.fast-researcher.com/api/pdf \
-H "X-API-Key: YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{
"url": "https://arxiv.org/pdf/2301.12345.pdf"
}'
# Take screenshot
curl -X POST https://api.fast-researcher.com/api/screenshot \
-H "X-API-Key: YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{
"url": "https://example.com",
"fullPage": true
}'
/api/read
Extract clean markdown or text from any webpage. Returns metadata, title, and structured content.
/api/batch
Extract content from multiple URLs in parallel. Max 10 URLs per request.
/api/pdf
Parse PDF files and extract text content with section detection and metadata.
/api/screenshot
Capture full-page or element-specific screenshots. Returns base64 image data.
/api/search?q=...
Search the web and optionally extract content from results automatically.
/r/{url}
Drop-in replacement for Jina Reader's r.jina.ai endpoint. Returns plain text.
Side-by-side comparison of features, performance, and capabilities
| Feature | RESearcher | Jina Reader |
|---|---|---|
| API Cost | $0 forever | Free tier limited |
| Rate Limits | None | 200 requests/min |
| Speed (HTML) | 850ms avg | 4200ms avg |
| Content Quality | 81% (no LLM) | 100% (uses LLM) |
| Privacy | 100% self-hosted | Anonymous logs |
| PDF Support | โ | โ |
| Screenshot Capture | โ | โ |
| Batch Processing | โ | โ |
| Built-in Search | โ | โ |
| Hosted Service | โ (Free) | โ (Paid) |
| Custom Domains | โ | โ |
Modern architecture built for speed, reliability, and scale
Retrieves webpage using Playwright for JS-heavy sites or Cheerio for static HTML. Handles redirects, authentication, and edge cases.
Removes ads, scripts, navigation, footers. Identifies main content using multiple heuristics and semantic analysis.
Converts HTML to clean markdown using Turndown. Preserves links, formatting, code blocks, and document structure.
Post-processes markdown for LLM consumption. Removes excessive whitespace, fixes formatting, and adds metadata.
Perfect for AI agents, research tools, and content pipelines
Drop-in replacement for Jina Reader in Amp, Cursor, Windsurf, Claude Desktop, and other AI tools. Works with any agent that supports custom MCP servers.
Extract academic papers, build knowledge graphs, automate literature reviews. Perfect for systematic reviews and meta-analyses.
Monitor news sites, blogs, and documentation. Build RSS alternatives, content curators, and news aggregators without rate limits.
Extract product data, job listings, real estate info. Batch process thousands of URLs without hitting API quotas.
Feed webpages to GPT, Claude, Gemini. Build chatbots with web access, RAG pipelines, and document Q&A systems.
Build research tools for sensitive projects. Keep all web scraping on your infrastructure with zero data leakage.