Search Ctrl K
Home / Tools
THE FEUTEX TOOLKIT

UTM Checker Tool

Paste one or many URLs to check UTM parameters (source, medium, campaign), spot missing/empty/duplicate tags, and generate a cleaned, normalized tracking URL—runs offline in your browser.

Offline UTM checker — runs in your browser. No uploads.
Tip: One URL per line. You can paste domains without https:// and they’ll be tested as https://


    
  
Privacy: runs locally in your browser. No uploads, no tracking scripts.

How to use

Paste URLs (one per line), choose your checks, and run the validator.

  1. Paste one or more URLs into the box.
  2. Keep Require utm_source/utm_medium/utm_campaign on if you want strict validation.
  3. Click Check UTMs to see extracted tags, issues, and a cleaned URL.
  4. Switch to CSV if you want an exportable report.

FAQ

Which UTM parameters are required?

By default it requires utm_source, utm_medium, and utm_campaign. You can turn strict mode off if you only want extraction.

Does UTM casing matter (UTM_Source vs utm_source)?

Many analytics setups expect consistent keys; mixed casing can cause messy reporting. This tool flags casing and can normalize keys to lowercase.

What does “Deduplicate UTM keys (keep last)” do?

If a URL has utm_source twice, the cleaned URL keeps only the last value for each UTM key. This avoids ambiguous tracking.

Will this tool change non-UTM query parameters?

No values are modified; it can optionally sort parameters for readability. Non-UTM parameters are preserved.

Can I check multiple URLs at once?

Yes—paste one URL per line. The output includes a per-URL report plus a summary count.

Is this tool offline and private?

Yes. It runs locally in your browser and does not send your URLs anywhere.

Can I export the results?

Switch the output format to CSV and copy it into Sheets/Excel. The CSV includes extracted UTMs, issues, and the cleaned URL.

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.