Keyword Combiner

What this tool does

Keyword Combiner takes 2 or 3 lists of keyword fragments, modifiers, services and locations are a common combination, and generates every combination of one item from each list using a customisable {1} {2} {3} template, with optional deduplication and lowercasing, for seed keyword and ad group research.

Seed keyword research for SEO or PPC campaigns often follows a predictable pattern: a list of modifiers ("best", "cheap", "emergency"), a list of services or products ("plumber", "electrician"), and sometimes a list of locations ("near me", "in London"), all combined to produce dozens or hundreds of long-tail keyword candidates. Typing every combination out by hand doesn’t scale past a handful of items.

This tool cross-multiplies 2 or 3 lists against each other, generating every combination of one item from each list according to a customisable template that uses {1}, {2} and {3} as placeholders for each list’s current item. Optional deduplication and lowercasing clean up the result, and the output is capped at 10,000 combinations to stay responsive even with larger lists.

How to use Keyword Combiner

1. Enter List 1 and List 2, one keyword fragment per line.
2. Optionally enter List 3 if your template needs a third dimension.
3. Set the Combination template using {1}, {2} and {3} as placeholders.
4. Toggle Remove duplicate combinations and Lowercase all output as needed.
5. Read or download the full set of generated combinations.

Tips for better results

• List 3 is only used if your template actually includes the {3} placeholder; otherwise the tool combines just List 1 and List 2.
• For PPC ad group structuring, keeping modifiers, services and locations as separate lists (rather than hand-typing every combination) makes it far easier to add or remove one item and instantly regenerate the full set.
• The 10,000-combination cap exists to keep the tool responsive; if you hit it, narrow one of your lists rather than expecting every possible combination from very large inputs.
• Deduplication is useful when your lists share overlapping items or your template produces the same phrase from different combinations.

Common use cases

• Generating a seed list of long-tail keywords for SEO content planning by combining modifiers, services and locations.
• Building out PPC ad group keyword lists quickly from a small set of reusable word lists.
• Creating a batch of product title or meta description variants from a base set of attributes.
• Quickly testing how different combination templates change the resulting phrase structure.

Common mistakes to avoid

• Including a {3} placeholder in the template without List 3 filled in, which simply means the third list is treated as empty and ignored in the combinations.
• Expecting unlimited combinations from very large lists; the output is capped at 10,000 to keep the tool responsive, so extremely large lists should be narrowed first.
• Forgetting to toggle Remove duplicate combinations when your lists overlap, which can otherwise leave repeated phrases in the output.