Email Marketing ROI Calculator
Email ROI plus revenue per email sent and per subscriber.
Add any custom tracking parameters to a URL, safely.
Tracking parameters
The Tracking Link Generator appends any custom key and value parameters to a URL without overwriting the ones already there, encoding every value so the link cannot silently break.
Not every tracking parameter is a UTM. Affiliate networks, ad platforms, CRMs and help desks all read their own keys — gclid, fbclid, subid, partner, click_id — and a generic UTM builder cannot add them for you.\n\nThis builder takes any key and value pair you like and appends it to a URL correctly: existing query parameters are kept rather than overwritten, values are percent-encoded so a space or an ampersand cannot break the link, and any fragment on the end of the URL stays where it belongs.
It also counts how long the finished link is, since some platforms and QR codes get unwieldy past a few hundred characters.
Not limited to UTM keys — use whatever your platform reads.
Existing query parameters and any fragment are kept intact.
Shows the finished link length, since very long URLs cause problems.
No sign-up, no data sent anywhere.
Any existing query parameters on it are preserved.
Up to five. Leave a row blank to skip it.
Encoding is handled, so spaces and symbols in values are safe.
Only if you use the same key name. Anything already on the URL under a different key is kept exactly as it was.
A UTM builder is locked to the five utm_ keys. This one takes any key name, which is what you need for affiliate IDs, partner codes or a platform’s own click ID.
No. Spaces, ampersands and other special characters are percent-encoded automatically, which is the most common cause of a hand-built tracking link failing.
It is preserved and kept after the query string, where it belongs — putting parameters after a fragment stops them being read.
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