Lowercase Converter — Free Online
Strip every capital from your text in one step. It is the fastest way to tame an ALL CAPS paragraph, normalise email addresses or clean up column data before importing it somewhere. Results appear as you type and nothing is uploaded.
How to use the lowercase converter
- Paste the text you want lower cased into the first box.
- lowercase is already selected, so the result is instant.
- Copy the result, or hit Sentence case first if you want readable prose.
Why lower casing is mostly a data job
Lower casing is rarely about style — it is about making two strings comparable. Email addresses are case-insensitive in the part that matters, domain names are case-insensitive entirely, and hashtags, usernames and tags are usually treated that way too. Normalising a column to lower case before you deduplicate or match it is what stops “Info@Example.com” and “info@example.com” being counted as two different people.
The same applies to URL slugs, CSS class names, git branch names, file names on case-sensitive systems, and CSV headers you are about to import. Lower casing first removes an entire category of “it works on my machine” bug.
What lower casing throws away
The conversion is one-way. Once “Dr. Sarah Chen from NASA” becomes “dr. sarah chen from nasa”, nothing in the text records which capitals were meaningful, so keep the original if you will need it later. When the goal is readable prose rather than clean data, run Sentence case instead — it lower-cases the shouting and puts a capital back at the start of each sentence, which is usually what someone actually wants after pasting a block of capitals.
Non-English text is handled by the browser's own Unicode rules, so accented characters map correctly: “ÉCOLE” becomes “école” rather than losing its accent. Turkish dotted and dotless i are the classic exception to locale-independent lower casing, so double-check those if you work in Turkish.
Frequently asked questions
- How do I convert text to lowercase online free?
- Paste into the box. This lowercase converter turns EVERY letter into small letters instantly.
- How do I change Caps Lock text to lowercase?
- Paste the ALL CAPS block here to convert caps to lowercase, then switch to sentence case if you want normal prose.
- Does lowercasing affect numbers and punctuation?
- No — only letters change. Digits, emoji and spacing stay as they are.
- Is it safe to lowercase code or passwords?
- Be careful — identifiers and passwords are often case sensitive. Safe for prose, emails and hostnames.
- Can I convert to lowercase on my phone?
- Yes. The free lowercase converter works in mobile browsers with large tap targets.
- Is my text uploaded?
- No. Convert text to lowercase entirely in your browser.
- Lowercase for email addresses — is that useful?
- Yes. Normalising emails to lowercase before import avoids duplicate rows caused by mixed case.
- Small letters converter vs sentence case?
- Lowercase removes all capitals. Sentence case then adds capitals only at sentence starts for readable copy.
- Can I lowercase a whole spreadsheet column?
- Paste the column values here, convert to lowercase, then paste back into the sheet.
- Is this remove capital letters tool free?
- Yes — unlimited lowercase conversion with no signup.
Related tools
- Uppercase ConverterPaste any text and get it back in capitals, ready for headings, labels or spreadsheet columns.
- Sentence Case ConverterRescue text that arrived in ALL CAPS or with random capitalisation.
- Title Case ConverterPaste a heading and get properly capitalised title case back as you type.
- Remove Line Breaks From TextText copied from a PDF, email client or terminal often arrives broken into short hard-wrapped lines.
Runs entirely in your browser — your files never leave this device. Last reviewed July 29, 2026.