CSS Icon Pack Name Checker

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CSS Icon Pack Name Checker – Wait… Is That Icon Class Even Real?

You ever write some HTML, drop in a class like fa-user, and refresh the page expecting to see a nice little user icon… but instead? Nothing. Just a blank space or a broken icon box.

So you check the spelling. You Google. You open the Font Awesome docs. Wait — maybe it’s a Bootstrap Icon? Or Remix Icon?

And now you're 10 minutes deep in tabs, wondering if you even imagined that icon in the first place.

That’s exactly why we made this — the CSS Icon Pack Name Checker.

It’s a tiny tool that checks if a class name (like bi-star, fa-plus, ri-check-line) actually exists — and more importantly, which icon pack it belongs to.

You paste a class name, click a button, and bam — it tells you:

"✅ Found in: Font Awesome, Remix Icons"
Or
"❌ Not found in any supported icon packs."

No need to guess. No docs to open. No wasted time.

⚙️ How It Works (And Yeah, It’s Really That Simple)

Here’s how it goes:

  1. You paste in a class — say, bi-check or fa-coffee.

  2. Hit Check Icon.

  3. The tool runs the class through a database of known class names from popular icon libraries:

    • Font Awesome

    • Bootstrap Icons

    • Remix Icons

    • (Optionally more, if you’ve added them)

  4. You get an instant result showing:

    • ✅ Where the class exists

    • ❌ If it doesn’t match anything

And that’s it. No fuss, no login, no fluff. Just useful feedback.

Why This Tool Even Exists

Because — let’s be honest — icon class names get messy.

Different libraries use different naming rules. Some use dashes (fa-star), some use prefixes (bi-, ri-, fi-, etc.). And if you’re switching between frameworks or editing someone else’s code, it’s super easy to mix them up.

So instead of flipping through 5 tabs and guessing if fa-check-circle is valid or if you meant ri-check-line, now you can just paste it into this tool and know instantly.

🔧 Real Icon Class Tests

fa-star
✅ Found in: Font Awesome
❌ Not in: Bootstrap Icons, Remix, etc.

bi-check
✅ Found in: Bootstrap Icons
❌ Not found in Font Awesome or others

ri-arrow-down-line
✅ Found in: Remix Icons
❌ Not found in Font Awesome or Bootstrap

fi-search
✅ Found in: Feather Icons
(if included in your database)

fa-dance-monkey
❌ Not found in any supported library (sadly)

These quick checks save time — and sanity — especially when you’re editing code on the fly or debugging someone else’s class soup.

Who This Tool Helps Most

Honestly, if you touch front-end code even occasionally, this tool has your back.

  • Web developers switching between Bootstrap, Tailwind, and custom setups

  • Designers working with developers, trying to get icons named correctly

  • Agencies reusing code from old projects with mixed icon packs

  • Beginners learning how class-based icons work

  • Students who don’t want to memorize 10,000 class names

  • Even seasoned devs who just can’t keep up with changing libraries

Because Icon Class Names Aren’t Universal

Here's the thing: You might think you’re writing the right class… but each icon pack does it differently:

Library Example Class Prefix Style
Font Awesome fa-user, fas fa-home Uses fa-, fas, etc.
Bootstrap Icons bi-check, bi-person Uses bi-
Remix Icons ri-heart-line Uses ri-
Feather Icons fi-search, fi-alert Uses fi- (if added)

It’s easy to forget if that nice arrow you used was from Remix or Bootstrap. Especially when you're switching themes, working on multiple sites, or digging into someone else’s codebase.

So why not just ask the tool and get a straight answer?

Sample Class Lookup Table

Here’s a few class names and what this tool would show:

Class Name Found In
fa-moon Font Awesome ✅
bi-moon-stars-fill Bootstrap Icons ✅
ri-moon-fill Remix Icons ✅
fa-sun-o Font Awesome (old version) ✅
fi-sunrise Feather Icons (if included) ✅
mdi-sun ❌ Not found (if Material Icons not included)

If a class isn’t found, it lets you know — politely — and saves you the trouble of checking 4 docs manually.

Frequently Asked Stuff

Q: Can I paste a full <i> tag?
Nope — just the class name is enough. For example: bi-alarm or fa-user.

Q: What if I type it wrong?
You’ll get a “not found” message. It’s case-sensitive, so double-check for typos.

Q: Does this check every icon pack in existence?
Not every pack, but the big ones: Font Awesome, Bootstrap Icons, Remix Icons, and others (if enabled). Want more? We’re open to suggestions.

Q: Will it tell me if I forgot the prefix?
Not yet — but you’ll know it’s missing when it doesn’t show up in any results. We might add a smart suggestion feature soon.

Q: Is it free to use?
Yes! Completely. No login, no ads, just a tool that works.

What People Say (or Might Say)

“This saved me SO much time trying to figure out if ri-play-full was valid or just in my head.”
– Nabeel, developer

“I always confuse Bootstrap and Font Awesome classes. This tool just clears it up in seconds.”
– Sarah, frontend designer

“It's a small tool but weirdly useful when you’re juggling different UI libraries.”
– Arsalan, freelancer

We didn’t add a review system. These are just honest reactions we imagine users might have — or already did.

Final Thoughts

You’d think class names for icons would be simple. But they’re really not. Every library has its own pattern. Prefixes change. Icons move between packs.

And when you're working quickly or copying code, things blur together.

That’s why this tool exists. It just answers one question:

"Does this icon class actually exist — and if so, where?"

Instead of opening three documentation pages and guessing, you can just paste the class in and get a yes/no answer. Fast.

Try it the next time you get a blank icon, a mystery prefix, or just want to double-check your markup.

👉 Use the CSS Icon Pack Name Checker here

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