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Keyword Checker

Paste a keyword list to check duplicates, word/character length, basic search intent, and optional mentions in your text. Works offline in your browser.

Tip: keep one phrase per line for cleaner results.
Results will appear here.
Privacy: runs locally in your browser. No uploads, no tracking scripts.

How to use

This tool doesn’t fetch search volume or competition. It focuses on list hygiene and on-page planning.

  1. Paste keywords (one per line, or enable smart split for commas/semicolons).
  2. Optional: paste your page text to check keyword mentions.
  3. Click Check keywords to see duplicates, length stats, intent tags, and slugs.
  4. Use Copy to copy a compact report.

FAQ

Does this keyword checker show search volume or difficulty?

No. It runs fully offline and focuses on list cleanup, basic intent tagging, and optional mention counts in your text.

How are duplicates detected?

By default it trims and collapses spaces, optionally lowercases, then deduplicates on the normalized phrase.

How accurate is the intent classification?

It’s rule-based (e.g., “best”, “pricing”, “how to”, “buy”). Treat it as a quick label, not a final decision.

Can I check if my draft mentions the keywords?

Yes—paste text into the optional box to get mention counts per keyword (whole-phrase match is enabled by default).

What does “slug” mean here?

A slug is a URL-friendly version of a phrase (lowercase, hyphen-separated). It’s helpful for planning URLs or internal anchors.

What’s a good character length for keywords?

There’s no single rule, but very long phrases can be awkward for titles/ads; use the min/max filters to flag outliers.

Is my data sent anywhere?

No. The tool runs in your browser and does not make network requests.

Continue your workflow

Browse related tools by task. Use the improved core tools for a consistent workspace with file import, downloads and clear validation errors.

Keyword deduplication · Search-operator cleanup · Heuristic intent

Additional controls for this task, preserved from the original implementation. Inputs stay inside this mode.