tldx

Domain Availability Research Tool

tldx helps you brainstorm available domain names fast. Features: - Smart keyword-based domain permutations (prefixes, suffixes, TLDs) - Fast and concurrent availability checks with RDAP - Streams results as they're found - Supports multiple output formats (text, json, json-stream, json-array, csv) - Supports TLD presets to quickly select groups of common or curated TLD sets - Optional filtering by domain length - Great for technical founders, indie hackers, and naming brainstorms