lintlab

Small, reliable data tools that do one job well: clean inputs, clean JSON, fair prices.

Each tool runs on the Apify platform with pay-per-event pricing: you pay per result, plus Apify platform usage. Run them from the Apify Console, the REST API, or an AI agent through Apify's MCP server.

Website Screenshot & Visual Diff

$0.004 per capture · $0.002 per diff

Full-page, viewport, or element screenshots on desktop, laptop, tablet, or mobile (PNG/JPEG).
Pixel diff against a live page or an image baseline, with a diff image and changed-pixel percentage.
Limits: public pages only; no login flows.

Open on Apify

Use via API

curl -X POST "https://api.apify.com/v2/acts/lintlab~screenshot-diff/run-sync-get-dataset-items?token=$APIFY_TOKEN" \
  -H 'Content-Type: application/json' \
  -d '{"urls":["https://example.com"],"mode":"fullPage","device":"desktop",
       "baselineUrls":["https://example.org"]}'

SEO Audit & Broken Link Checker

$0.004 per page audited

Titles, meta descriptions, headings, canonicals, robots, hreflang, images, structured data, and duplicates.
Broken internal link checks and XML sitemap discovery (including gzip and index sitemaps).
Limits: HTTP-only, with no JavaScript rendering, so client-rendered content isn't seen.

Open on Apify

Use via API

curl -X POST "https://api.apify.com/v2/acts/lintlab~seo-site-qa/run-sync-get-dataset-items?token=$APIFY_TOKEN" \
  -H 'Content-Type: application/json' \
  -d '{"startUrls":[{"url":"https://crawlee.dev"}],"maxPages":100,"checkLinks":true}'

PDF to Markdown & Text Extractor

$0.003 per PDF

Page-aware Markdown or plain text from PDF URLs, with metadata, links, and best-effort tables.
Built for RAG pipelines and AI agents; image-only pages are flagged.
Limits: text-layer PDFs only, with no OCR for scanned documents.

Open on Apify

Use via API

curl -X POST "https://api.apify.com/v2/acts/lintlab~pdf-to-markdown/run-sync-get-dataset-items?token=$APIFY_TOKEN" \
  -H 'Content-Type: application/json' \
  -d '{"pdfUrls":[{"url":"https://arxiv.org/pdf/1706.03762"}],"outputFormat":"markdown"}'

For AI agents

All three tools have typed input schemas and can be called through Apify's MCP server (mcp.apify.com) from any MCP-capable client.