Rubtin vs Spider Cloud

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

Analysis reviewed Live tool data as of 2026-09-01
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At a glance

DimensionRubtinSpider Cloud
PricingFreeFreemium (pay per use ~$0.03/1k pages)
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

100+ privacy-first browser tools for PDF, image, developer, finance, and AI tasks—all free, with no uploads.

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Spider Cloud
Spider Cloud

AI web scraping API: crawl, scrape, search any site into markdown or JSON at 10k req/min.

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Pricing
Free
Freemium
Plans
$0/mo
$1/GB + $0.001/min compute
$40/mo (2 concurrency)
$6/mo
Popularity
3 views
7.5k views
Skill Level
Beginner-friendly
Intermediate
API Available
Platforms
Web
WebAPICLI
Categories
📄 PDF & Document Tools✨ Photo Editing & Enhancement✨ Transcription & Speech-to-Text
🌐 Web Scraping & Search APIs🖱️ Browser & Computer-Use Agents
Features
Merge PDF files
Split PDF into custom page ranges
Compress PDF file size
Rotate PDF pages
Add page numbers to PDF
Convert JPG/PNG/WebP to PDF
Convert PDF pages to JPG
Extract text from PDF
Compress image files (PNG, JPG, WebP)
Resize images by pixels or percentage
Crop images with grid presets (1:1, 16:9, 4:3)
Convert images between PNG, JPEG, WebP
Pick colors from images with Hex/RGB/HSL
Convert SVG to PNG raster format
Read EXIF metadata from images
Scrape any website into markdown, JSON, or raw HTML
Full-site crawling at 100K+ pages/sec
10,000 core API requests per minute default
Web Search API: SERP + scraping + extraction in one call
/ai/search endpoint with relevance gate to skip irrelevant pages
Silk AI model: HTML-to-structured data and captcha solving on GPUs
Browser Cloud: full browser sessions over CDP
AI commands (Act, Extract, Observe) via WebSocket with AI Studio
Multiple output formats: HTML, raw, plain text, markdown, JSON, JSONL, CSV, XML
Stealth browser layer and Unblocker for anti-bot sites
Proxy pool with 215M+ residential and ISP IPs across 199+ countries
Robots.txt compliance on by default, disable per-request
data_connectors parameter: pipe results to S3, GCS, Google Sheets, Azure Blob, Supabase
extraction_schema parameter: AI output conforms to JSON schema
1,000+ ready-made scraper examples across 32 categories
Integrations
LangChain
LlamaIndex
CrewAI
FlowiseAI
AutoGen
Agno

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