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Batch Processing Tool

Bulk Domain Categorization

Classify thousands of domains at once. Upload a CSV file or paste your domain list and get instant categorization results across 58 content categories.

Drop your CSV file here or click to browse

Supports CSV, TXT and TSV files. Trial limit is 10 domains per request.

0 domains entered (max 10 per request)

Free trial: 10 domains per request, 20 lookups per visitor.

10
Domains / request
200
Trial lookups / 24h
58
Categories
CSV
Export format
Beyond ten names at a time

Your batch came back labelled. Vendors take all 120M+ domains as one file

This tool sorts up to ten names per request from a demo slice of the database. Licensed teams receive the complete file as CSV, JSON or Parquet and keep it current with daily deltas.

58
categories across the full file

Sample Bulk Results

Here is an example of what bulk categorization results look like for a batch of domains.

8 of 8 domains categorized
# Domain Web Filtering Categories Country
1 google.com Search Engines & Platforms Web-based Applications United States
2 instagram.com Social Networking United States
3 youtube.com Streaming Media Social Networking United States
4 linkedin.com Social Networking Job Search/Careers Business United States
5 facebook.com Social Networking United States
6 github.com Developer Tools / Code Hosting United States
7 bit.ly URL Shorteners United States
8 pinterest.com Social Networking United States
9 amazon.com Shopping Marketplaces / Classifieds / Auctions United States
10 reddit.com Social Networking Forums / Message Boards Community Sites United States

Supported Input Formats

Flexible input options so you can categorize domains from any source.

CSV Format

# Simple single-column CSV
domain
google.com
reddit.com
bbc.co.uk
amazon.com

# Or multi-column (domain column auto-detected)
id,domain,notes
1,google.com,search engine
2,reddit.com,social media

Plain Text Format

# One domain per line
google.com
reddit.com
bbc.co.uk
amazon.com

# URLs are also accepted (domain extracted)
https://www.github.com/features
http://stackoverflow.com/questions

Bulk Categorization Features

Purpose-built for processing large domain lists efficiently and accurately. Learn more in our bulk domain lookup service guide.

Lightning Fast Processing

Categorize 1,000 domains in under 2 seconds. Our parallel processing engine handles batches of up to 100,000 domains per request.

Multiple Export Formats

Download results as CSV, JSON, XLSX, or TSV. Perfect for importing into spreadsheets, databases, or feeding downstream systems.

Batch History

All your previous bulk categorization jobs are saved. Re-download results, compare changes over time, or re-run previous batches.

Smart Deduplication

Duplicate domains are automatically detected and merged. We normalize URLs, strip protocols, and handle www prefixes intelligently.

Batch Analytics

Get a summary breakdown of your domain list: category distribution, safety ratings, and risk assessment charts for the entire batch.

API Integration

Automate bulk categorization with our REST API. Submit batches programmatically and receive webhook callbacks when processing completes.

Batch Processing Tiers

Choose the right processing speed for your domain volume needs.

Starter

Up to 1,000 domains
~2s
processing time

Enterprise

Up to 100,000 domains
~45s
processing time

Ready to Categorize Domains at Scale?

Start processing bulk domain lists today. Free tier includes 100 lookups per day, or upgrade for unlimited batch processing.