Classify thousands of domains at once. Upload a CSV file or paste your domain list and get instant categorization results across 59 content categories.
Supports CSV, TXT and TSV files. Trial limit is 10 domains per request.
Free trial: 10 domains per request, 20 lookups per visitor.
Here is an example of what bulk categorization results look like for a batch of domains.
| # | Domain | Web Filtering Categories | Country |
|---|---|---|---|
| 1 | google.com | AI / LLM Tools Advertising/Marketing Business CDN / Hosting / Infrastructure Cloud Storage / File Hosting Developer Tools / Code Hosting Email and Messaging Podcasts Search Engines & Platforms Streaming Media Web-based Applications Webinars/E-learning | United States |
| 2 | instagram.com | Advertising/Marketing Business Email and Messaging Search Engines & Platforms Social Networking Streaming Media Web-based Applications | United States |
| 3 | youtube.com | Advertising/Marketing Gaming Social Networking Streaming Media | United States |
| 4 | linkedin.com | Advertising/Marketing Business Developer Tools / Code Hosting Email and Messaging Job Search/Careers Search Engines & Platforms Social Networking Web-based Applications Webinars/E-learning | United States |
| 5 | facebook.com | Advertising/Marketing Business Community Sites Developer Tools / Code Hosting Email and Messaging Marketplaces / Classifieds / Auctions Search Engines & Platforms Social Networking Streaming Media Web-based Applications Webinars/E-learning | United States |
| 6 | github.com | CDN / Hosting / Infrastructure Developer Tools / Code Hosting Freeware/Software Web-based Applications | United States |
| 7 | bit.ly | URL Shorteners | United States |
| 8 | pinterest.com | Advertising/Marketing Business Email and Messaging Home & Garden Social Networking Web-based Applications | United States |
| 9 | amazon.com | AI / LLM Tools Business CDN / Hosting / Infrastructure Developer Tools / Code Hosting Home & Garden Lingerie/Swimsuits/Intimate Apparel Marketplaces / Classifieds / Auctions Shopping Streaming Media | United States |
| 10 | reddit.com | Business Community Sites Developer Tools / Code Hosting Email and Messaging Forums / Message Boards Search Engines & Platforms Social Networking Web-based Applications | United States |
Flexible input options so you can categorize domains from any source.
Purpose-built for processing large domain lists efficiently and accurately. Learn more in our bulk domain lookup service guide.
Categorize 1,000 domains in under 2 seconds. Our parallel processing engine handles batches of up to 100,000 domains per request.
Download results as CSV, JSON, XLSX, or TSV. Perfect for importing into spreadsheets, databases, or feeding downstream systems.
All your previous bulk categorization jobs are saved. Re-download results, compare changes over time, or re-run previous batches.
Duplicate domains are automatically detected and merged. We normalize URLs, strip protocols, and handle www prefixes intelligently.
Get a summary breakdown of your domain list: category distribution, safety ratings, and risk assessment charts for the entire batch.
Automate bulk categorization with our REST API. Submit batches programmatically and receive webhook callbacks when processing completes.
Choose the right processing speed for your domain volume needs.
Start processing bulk domain lists today. Free tier includes 100 lookups per day, or upgrade for unlimited batch processing.