Prefix & Suffix Adder
Add a prefix, a suffix, or both to every line of a list. Perfect for building URLs, ad copy variants, HTML lists, or CSV rows.
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How to use
Add a prefix, a suffix, or both to every line of a list. Perfect for building URLs, ad copy variants, HTML lists, or CSV rows.
Tip: press “Load sample” to fill the box with realistic example data.
Everything runs locally in your browser — no upload, no account, no API key.