Rubtin vs Spider Cloud

Side-by-side comparison of features, pricing, and ratings

Analysis reviewed Live tool data as of 2026-10-18
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At a glance

DimensionRubtinSpider Cloud
Primary Use CaseClient-side document/image/developer utilitiesWeb crawling, scraping, and AI data extraction
Data Privacy100% local - no data leaves browserData sent to cloud for processing
AI FeaturesNoneAI Studio, Browser AI commands, Silk extraction model
IntegrationsNoneLangChain, LlamaIndex, S3, GCS, etc.
Latest News RelevanceGuide articles (June 2026)New AI browsers, scraper catalog, data connectors (Feb-Mar 2026)

Rubtin and Spider Cloud serve completely different needs. Pick Rubtin for free, private, client-side PDF/image/code utilities with no account needed—perfect for individuals who never want data uploaded. Choose Spider Cloud if you're building AI agents or RAG pipelines that demand fast, scalable web crawling with structured output and AI-powered extraction.

Try RubtinTry Spider Cloud
Rubtin
Rubtin

Free browser tools for PDF, image, developer and finance tasks — all 100+ utilities run locally, so your files stay on your device.

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Spider Cloud
Spider Cloud

Spider Cloud is a web scraping, crawling, and search API that streams live pages as markdown or JSON for AI agents and RAG pipelines.

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Pricing
Free
Freemium
Plans
$0/mo
$1/GB + $0.0001/CPU-min
From $6/mo
From $40/mo
Custom
Popularity
6 views
7.5k views
Skill Level
Beginner-friendly
Intermediate
API Available
Platforms
Web
WebAPIPluginCLIDesktop
Categories
📄 PDF & Document Tools✨ Photo Editing & Enhancement✨ Transcription & Speech-to-Text
🌐 Web Scraping & Search APIs🖱️ Browser & Computer-Use Agents
Features
Merge multiple PDF files into one document in the browser
Split PDF into custom page ranges
Compress PDF file size
Rotate PDF pages 90/180/270 degrees
Add page numbers to PDF
Convert JPG, PNG and WebP images to PDF
Convert PDF pages to JPG images
Extract text from PDF
Compress PNG, JPG and WebP images locally
Resize images by pixels or percentage with aspect-ratio lock
Crop images with 1:1, 16:9 and 4:3 grid presets
Convert images between PNG, JPEG and WebP with transparency handling
Pick colours from images with Hex/RGB/HSL output
Convert SVG to PNG at custom dimensions
Read EXIF metadata from images
Scrape a single page into markdown, JSON, HTML, raw, or plain text
Crawl entire sites with each page streamed as one JSONL line in order as it finishes
Web search endpoint returns SERP results plus the scraped pages behind them
Custom browser renders like a user: scripts run, lazy images load, infinite scroll reaches the end
Load protected pages through a real browser engine with geo checks, returning a 200
Run full browser sessions over WebSocket with anti-detection and rotating exits
Send AI commands (Act, Extract, Observe) over the Browser API WebSocket
Send a prompt on a scrape or crawl request and get named fields back as JSON
Two-phase AI extraction: a fast model for most pages, a stronger model for complex layouts
Provider router sends scrape and crawl requests to outside providers on your own keys
Data connectors pipe crawl results into S3, GCS, Google Sheets, Azure Blob, or Supabase
Proxy network with 215M+ residential and ISP exits in 199 countries, rotated per request
MCP server at mcp.spider.cloud for Claude Code, Codex, Cursor, and Claude Desktop
1,000+ ready-made scraper examples across 32 categories, each with working code
API responses support JSON, JSONL, CSV, and XML; up to 10,000 core API requests per minute by default
Integrations
LangChain
LlamaIndex
CrewAI
FlowiseAI
Langflow
Dify
Agno
MCP
Claude Code
Codex
Cursor
Claude Desktop
Amazon S3
Google Cloud Storage
Google Sheets

Who should pick which

  • Privacy-conscious individual
    Pick: Rubtin

    Rubtin processes all files locally in the browser—no data uploads—ideal for sensitive documents like invoices or personal images.

  • AI agent developer
    Pick: Spider Cloud

    Spider Cloud provides a Rust-powered crawling API, AI extraction, Browser AI commands, and integrations with LangChain/LlamaIndex for building RAG pipelines.

  • Small business owner needing invoices
    Pick: Rubtin

    Rubtin includes a free, client-side invoice generator and PDF tools—no sign-up, no recurring costs.

  • Data scientist scraping for research
    Pick: Spider Cloud

    Spider Cloud's 99.9% success rate, structured outputs (CSV, JSON), and 1,000+ scraper examples make mass data collection reliable and fast.

  • Occasional PDF merger
    Pick: Rubtin

    Rubtin offers free PDF merge/split without uploading to a server; perfect for quick one-off tasks.

Frequently Asked Questions

Rubtin vs Spider Cloud: which should you choose?

Rubtin and Spider Cloud serve completely different needs. Pick Rubtin for free, private, client-side PDF/image/code utilities with no account needed—perfect for individuals who never want data uploaded. Choose Spider Cloud if you're building AI agents or RAG pipelines that demand fast, scalable web crawling with structured output and AI-powered extraction.

Does Rubtin upload my files to any server?

No, Rubtin is 100% client-side; all processing happens in your browser, and no data is uploaded.

Can Spider Cloud extract data from JavaScript-heavy sites?

Yes, Spider Cloud uses a Browser Cloud with stealth anti-detection and supports Browser AI commands for dynamic interactions.

Is there a free tier for Spider Cloud?

Spider Cloud is freemium but does not explicitly specify a free tier; it operates on pay-per-use with $0.03/1k pages average cost and failed requests not billed.

Which tool is better for AI agents?

Spider Cloud is purpose-built for AI agents, offering AI Studio, Silk extraction, and integrations with LangChain/LlamaIndex.

Can Rubtin handle batch processing of hundreds of PDFs?

Rubtin's client-side nature may slow down with large batches; it's not optimized for heavy batch processing.

Does Spider Cloud integrate with cloud storage?

Yes, Spider Cloud supports data connectors to S3, GCS, Google Sheets, Azure Blob, and Supabase (added Feb 2026).

Is either tool open-source?

Spider Cloud has an open-source core available on GitHub; Rubtin is proprietary but free to use.

Can I use Rubtin offline after initial load?

Rubtin requires a browser with JavaScript; once loaded, it may work offline if service workers cache assets, but not guaranteed.

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Explore each tool further

Rubtin
View Rubtin reviewRubtin alternatives
Spider Cloud
View Spider Cloud reviewSpider Cloud alternatives

Browse these categories

Best AI PDF & Document Tools toolsBest AI Web Scraping & Search APIs toolsBest AI Photo Editing & Enhancement toolsBest AI Browser & Computer-Use Agents tools
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Last reviewed: July 2, 2026