Flip Caps is a free online text case converter. You paste any text into the tool, click a button, and it instantly converts your text into the case style you choose, all inside your browser with no sign-up required.

What is a text case converter?

A text case converter is a tool that changes the capitalization style of any text. Instead of manually retyping content, you paste it in and choose a style like UPPER CASE, lower case, or Title Case, and the tool transforms it for you in a single click.

What case styles does Flip Caps support?

Flip Caps supports seven case styles: Sentence case (capitalizes the first letter of each sentence), lower case (all lowercase), UPPER CASE (all capitals), Capitalized Case (first letter of every word), aLtErNaTiNg cAsE (alternates each letter), Title Case (proper title capitalization), and InVeRsE CaSe (flips existing capitalization).

Is Flip Caps free to use?

Yes. Flip Caps is completely free. There is no subscription, no sign-up, no trial, and no paywall. You can convert as much text as you want at no cost.

Is my text private when I use Flip Caps?

Yes, 100%. Flip Caps runs entirely in your browser using JavaScript. Your text is never sent to any server, never stored, and never seen by anyone. Everything happens locally on your device.

Can I download the converted text?

Yes. After converting your text, click the Download button in the toolbar to save the result as a plain .txt file directly to your device.

Can I use Flip Caps as a capital text generator?

Yes. Flip Caps is a great capital text generator. Click UPPER CASE to convert every letter to a capital, or click Capitalized Case to capitalize only the first letter of each word. Both options work instantly with no character limit.

What is the difference between UPPER CASE and Capitalized Case?

UPPER CASE converts every single letter to a capital (e.g. 'hello world' becomes 'HELLO WORLD'). Capitalized Case only capitalizes the first letter of each word (e.g. 'hello world' becomes 'Hello World'). Choose UPPER CASE for emphasis or headings; choose Capitalized Case for names and branded terms.

What is Sentence case and when should I use it?

Sentence case capitalizes only the first letter of each sentence and lowercases everything else, just like normal written English. Use it to fix text that was pasted in the wrong format, or to quickly normalize inconsistently capitalized content.

What is Title Case and when should I use it?

Title Case capitalizes major words in a title while keeping short connecting words (a, an, the, and, but, or, for, in, of, etc.) in lowercase. It follows standard English title-writing conventions. Use it for article headlines, blog post titles, book chapters, and page headings.

What is alternating case?

Alternating case (aLtErNaTiNg cAsE) switches every letter between lowercase and uppercase, the first letter is lowercase, the second uppercase, the third lowercase, and so on. It is mostly used for memes, social media humor, and informal creative text.

What is Inverse case?

Inverse case (also called toggle case or flip case) swaps the capitalization of every letter, uppercase letters become lowercase and lowercase letters become uppercase. For example, 'Hello World' becomes 'hELLO wORLD'. It is useful for quickly reversing the case of text that was typed with Caps Lock accidentally on.

How do I fix text that was accidentally typed in ALL CAPS?

Paste the all-caps text into Flip Caps and click Sentence case to convert it to normal capitalization, or click lower case to make everything lowercase first. This is much faster than retyping the entire text.

Does Flip Caps work on iPhone and Android?

Yes. Flip Caps is fully responsive and works on any device, iPhone, Android, tablet, desktop, or laptop. The interface adapts to smaller screens and all case conversion buttons are touch-friendly.

Does Flip Caps require an account or sign-up?

No. Flip Caps requires no account, no sign-up, no email address, and no password. You open the website and the tool is immediately ready to use.

What browsers does Flip Caps work in?

Flip Caps works in all modern browsers including Google Chrome, Safari, Firefox, Microsoft Edge, Opera, and Brave. It requires JavaScript to be enabled, which it is by default in all browsers.

How do I copy the converted text?

After converting your text, click the Copy button in the toolbar above the text area. A confirmation checkmark appears to confirm the text has been copied to your clipboard. You can then paste it anywhere.

What is the difference between Title Case and Sentence Case?

Title Case capitalizes the first letter of every major word (used for headings and titles). Sentence Case only capitalizes the first letter of the first word in each sentence (used for normal written text). For example, 'the quick brown fox' becomes 'The Quick Brown Fox' in Title Case but 'The quick brown fox' in Sentence Case.

Yes. All processing is done in your browser.

Remove Underscores·Replace with Spaces·Clean File Names·Free & Private·No Sign-up·Instant Results·

Remove Underscores

Replace underscores with spaces, hyphens, or remove them entirely. Perfect for cleaning file names and snake_case text.

Replace _ with:

Input Text

0 underscores found

Result

0 characters

Features

Remove All Underscores

Strip every underscore from your text, file names, or code identifiers instantly.

Replace with Space

Convert snake_case text to human-readable words by replacing each underscore with a space.

–

Replace with Hyphen

Transform underscore-separated text to hyphen-separated format, great for URLs and filenames.

Real-time Preview

See the result update instantly as you type or paste. No need to click a button.

One-Click Copy

Copy the cleaned text to your clipboard with a single click.

●

Fully Private

All processing runs in your browser. Your text never leaves your device.

How It Works

Paste your text

Paste any text, file name, or code that contains underscores you want to remove.

Choose replacement

Select whether to replace underscores with a space, a hyphen, or delete them entirely.

Copy the result

The cleaned text is instantly ready on the right, click Copy to use it anywhere.

FAQ

What are underscores used for?

Underscores are commonly used in programming (snake_case), file names, and database fields to separate words instead of spaces.

Can I replace underscores with hyphens?

Yes. Select 'Hyphen (-)' to convert underscore-separated text to hyphen-separated format, which is common in URLs and CSS class names.

Does it handle multiple underscores?

Yes. Every underscore in the text is replaced, whether it appears once or multiple times in a row.

Can I remove underscores from file names?

Yes. Paste a file name like my_document_final.pdf and the tool will convert it to my document final.pdf (or similar, based on your replacement choice).

Is there a character limit?

No. The tool runs in your browser and can handle text of any length.

Is my text private?

Yes. All processing happens locally in your browser. Nothing is sent to a server.

About This Tool

The Remove Underscores tool is part of the Flip Caps suite of free text utilities. It's designed for developers, writers, and anyone working with file names, database fields, or code who needs to quickly convert underscore-separated text into readable form. All processing is local, no data is ever sent anywhere.

Remove Underscores

Features

Remove All Underscores

Replace with Space

Replace with Hyphen

Real-time Preview

One-Click Copy

Fully Private

How It Works

Paste your text

Choose replacement

Copy the result

FAQ

What are underscores used for?

Can I replace underscores with hyphens?

Does it handle multiple underscores?

Can I remove underscores from file names?

Is there a character limit?

Is my text private?

About This Tool

Every tool, in one place.

Text Case Converter

Letter & Character Removal

Duplicate Line Remover

Duplicate Word Finder

Em Dash Remover

Dash Remover

Find and Replace Text

Sentence Counter

Remove Line Breaks

Remove Text Formatting

Reverse Text Generator

Alphabetical Order

Merge PDF

Split PDF

Extract PDF Pages

PDF to JPG

PDF to PNG

Add Watermark

Add Page Numbers

Header & Footer

Table of Contents

Remove Blank Pages