Lower case converter

A lower case converter turns every letter into lowercase. That is the same job as an uppercase to lowercase converter: convert uppercase to lowercase, change all uppercase to lowercase, or convert from uppercase to lowercase without retyping.

For the Word and Excel alternatives, plus when the browser pass is faster, see How to convert uppercase to lowercase online. For Change Case / PROPER / Docs capitalization step-by-step, see how to change case in Word, Excel, and Google Docs.

This page is also a capital to small letters converter. Capital to small, capital to small letter, capital to small case, convert capital to small, and capital to small online all describe locale-aware lowercase. Matching uppercase to lowercase letters keeps spacing and punctuation intact.

Uppercase to lowercase online

Paste ALL CAPS, mixed case, or a scanned export. The uppercase to lowercase online pass uses toLocaleLowerCase, so English, German, and Turkish follow their own alphabet rules. Copy the result or download a .txt file. Nothing is uploaded.

Use this when Caps Lock was on, when a CMS field must be lowercase, or when you want a quiet default before Slugify or Sentence case.

Example: PLEASE STOP SHOUTING → please stop shouting. Accents and emoji stay; only letter case flips.

How to change uppercase to lowercase in Word

Word uppercase to lowercase is a built-in command: select the text, then Home → Change Case → lowercase. Shift+F3 cycles through cases. That is the right move for a sentence already in a .docx.

It is slow for a whole document export, and it does not help if the text lives in a browser, an email, or a ticket. Word change uppercase to lowercase by pasting here, converting, and pasting back. How to change all uppercase to lowercase in Word is the same idea at scale — this converter does the bulk step in one click.

Convert uppercase to lowercase in Excel

Excel uppercase to lowercase uses =LOWER(A1). Fill down, then paste values over the formulas if you want static text. Convert uppercase to lowercase in Excel is correct for a sheet you will keep.

For a one-off list, change from uppercase to lowercase on this page and paste the column back. No helper column, no formula errors on blank cells.

Google Docs and other editors

Google Docs: Format → Text → Capitalization → lowercase. Same story as Word — great inside the doc, awkward for text that is not there yet.

Notion, CMS fields, email, PDFs: copy out, convert uppercase to lowercase here, paste back. Locale options still apply for Turkish and German.

Capital to small letters

If you searched for capital to small, from capital to small letters, or a capital to small letter converter, you want lowercase — not Title Case and not sentence case. Those modes still capitalize some letters. This tool drops every letter.

When lowercase is the wrong tool

• Need readable sentences with a capital start? Use Sentence case.
• Need publication headlines? Use Title Case (AP / APA / Chicago / MLA).
• Need the inverse (lower → UPPER)? Use the upper case converter.
• Need URL handles? Lowercase is a good first pass, then Slugify.

How to use this converter

1. Paste ALL CAPS or mixed text (or drop a .txt file).
2. Pick a locale if you need Turkish dotted-I rules.
3. Copy or download. Jump to Sentence case or Slugify without re-pasting — this tab keeps the text in session storage.

Sibling tools: UPPER CASE, Sentence case, Title Case, Capitalized Case, alternating case, inverse case. Guide: how to convert uppercase to lowercase online.