The free online case converter that tidies your text in one click.
Paste your text once, then flip between uppercase, lowercase, sentence case, and title case. Ideal for headlines, captions, UI copy, and everything you publish on the internet.
Case converter
Paste your text and convert it to uppercase, lowercase, sentence case, or title case with one click.
CLEAN UP YOUR TEXT IN SECONDS
One tool, multiple ways to format your copy.
Use Kompi as a quick fix for messy text, a way to standardize headings and UI copy, or your daily helper for social content.
SOCIAL & EMAIL
Fix quick one-liners
Turn all caps into sentence case, or tidy up subject lines and short hooks before you hit send.
- • Clean up ALL CAPS text
- • Standardize email subjects
- • Make captions feel natural
Headlines & titles
Quickly switch between Title Case and sentence case to match your brand or editorial style.
- • Consistent blog titles
- • On-brand headings across pages
- • Great for CMS and no-code tools
UX & DEVELOPMENT
UI copy that matches
Keep button labels, error messages, and interface text aligned with your product's tone.
- • Standardize microcopy
- • Help devs and designers sync
- • Quickly test alternative styles
Ready to give your text a quick glow-up?
Use Kompi's free case converter now, then pin it to your Kompi dashboard so it's always one click away when you're drafting copy.
Make everything you publish feel intentional.
FOR EVERYDAY CREATORS
Stop fighting with caps-lock and manual fixes.
Captions, hooks, and quotes—Kompi gives you a calm space to paste messy text and clean it up without opening a full document tool.
FOR TEAMS & CLIENT WORK
Keep every line of copy on-brand.
Use Kompi while reviewing pages, proposals, and social content so every heading, button, and snippet follows the same style rules—no matter who wrote it.
FOR PRODUCT & MARKETING
Pair tidy text with smarter link journeys.
Kompi is more than a case converter. It ties into your links, QR codes, and menus so every campaign feels sharp—from the first word to the final click.
SMALL TOOL, BIG CONSISTENCY BOOST
One less thing to fix by hand.
★★★★★
“Perfect for headlines”
“I draft titles in here and flip between sentence case and Title Case until one feels right. It's a tiny but very useful ritual.”
★★★★★
“Great for client decks”
“We keep Kompi open while building slides. Button labels and headings stay consistent, even with multiple people editing.”
★★★★★
“Saves me from caps-lock chaos”
“Whenever a client sends all-caps copy, I run it through this once and we're back to normal English.”
Questions about the Kompi case converter?
Here's what people usually ask before they add this page to their writing workflow.
Is the Kompi case converter free to use?
Yes. You can use this case converter as often as you like for free. No account, no signup, and no email required.
What case styles can I convert to?
Kompi supports uppercase, lowercase, sentence case, title case, and capitalized words. That covers most everyday writing tasks for the web.
Is my text stored anywhere?
No. Your text stays in your browser and is not stored or logged by Kompi. When you close or refresh the page, the content disappears.
Who is this case converter for?
Creators, marketers, writers, developers, and anyone who needs clean, consistently formatted text. It works well for headlines, captions, UI copy, and more.
Can I use this for email subjects and headlines?
Yes. Many people use case converters to standardize email subjects, blog titles, and landing page headings so everything follows the same style.
Does this change punctuation or only letters?
The Kompi case converter focuses on changing the letter case while preserving punctuation, numbers, emojis, and spacing as much as possible.
Can I use the case converter on mobile?
Yes. This page is built to work smoothly on phones, tablets, and desktop browsers, so you can format text wherever you write.
How does this fit into the rest of Kompi?
Kompi focuses on tools that help you share and promote your work. The case converter is one of several simple utilities you can pin to your dashboard alongside links and QR tools.
Can I add this tool to my Kompi workspace?
Yes. Create a free Kompi account and add the case converter to your dashboard so it’s always one click away while you’re working on copy.