🧰 Keyword Tools

Lowercase Converter

Mixed capitals stop keywords from matching. Lowercase everything in one click and your dedupes and comparisons finally work.

  • 100% free, no limits
  • No sign-up
  • Your data never leaves your browser
  • Results in under a second
Use the Lowercase Converter now ↓ Open it in the full Notepad

Free tool Paste your list — the Lowercase Converter does the rest

The example below is already loaded, so you can see exactly what you get. Replace it with your own list and the result updates as you type.

🧹 Doing the whole job? Clean a keyword list → every fix for it, ticked and in the right order 🎯 Doing the whole job? Format Google Ads keywords → every fix for it, ticked and in the right order

Got a bigger job? The full Notepad runs the same engine on lists of any size — chain this with dedupe, sort and filter, undo any step, and save the whole routine as a recipe for next time.

Example Lowercase Converter: before and after

Before
BEST Running SHOES
After
best running shoes

How it works What the Lowercase Converter does

Converts every character in every line to lower case.

3 steps How to use the Lowercase Converter

  1. Paste your list into the box above — one item per line. Keyword exports, crawl exports and spreadsheet columns all work.
  2. Check the settings — there are none to set; the result appears straight away.
  3. Copy the result and paste it wherever it needs to go. Nothing is uploaded, so client and confidential data stay on your machine.

Use it to When to use the Lowercase Converter

  • Normalise a keyword list before case-insensitive deduplication
  • Standardise formatting before merging lists from different sources
  • Prepare text for a case-sensitive matching or lookup process

FAQ Lowercase Converter questions

Is this tool free to use?

Yes. Convert Text to Lowercase runs entirely in your browser below, with no sign-up, no limits, and nothing sent to a server.

Does this affect numbers or symbols?

No, only alphabetic characters are affected — numbers and punctuation are untouched.

Pairs well with More Keyword Tools tools, all free

🧰 Uppercase Converter

Turn any list into UPPER CASE in one click — no retyping, no formulas.

🧰 Title Case Converter

Turn raw lowercase keywords into polished page titles and headings, every word capitalised, in one click.

🧰 Sentence Case Converter

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🧰 URL Slug Generator

Hand-writing slugs for 200 pages invites typos and inconsistent URLs. Generate clean, SEO-friendly slugs for …

Stop fixing lists by hand

The Lowercase Converter is one of the free tools inside Seowolf’s Notepad. Paste a list once, then dedupe, filter, sort, compare and format it in seconds — every step undoable, nothing uploaded, no account.

Open the Notepad — it’s free
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