The internet is full of corners that can entertain you when you're bored at work or that can become useful tools for your job. That's why we've rounded up a mixture of sites that you probably never heard of — but are either useful or fun to play around with. These sites were suggested in a Reddit thread called "What are some awesome websites that not enough people know about?" [1] Keep reading, try some of these out, and bookmark the ones you love!

1. Create GIFs anytime: Looking for a perfect GIF that doesn't exist yet? Use gifgif [5] to create one quickly without any watermark.
2. Clean up your writing: With Hemingway App [6], the website will grade any sentence or essay on readability. It'll also let you know if a sentence is too hard to read or suggest removing unnecessary words.
3. Take a mental break with some pets: Watch real puppies and cats on your screen with iPet Companion [7]. The website live-streams cats and puppies living in shelters, with the ability to move the animals' toys.
4. Improve your math skills: With Better Explained [8], you'll learn how and why math works the way it does, rather than memorizing theories or equations.
5. Learn what you're actually signing up for: When you sign up for YouTube or GitHub, you probably didn't read the company's terms of service. Find out what is in it, especially concerning your privacy with TS;DR [9].
6. Take a class and learn a new skill: Similar to other websites, edX [10] includes a catalog of courses you can take to learn and further a skill.
7. Sharpen what you're learning: With Khan Academy [11], you can explore different subjects like computer programming or art history and learn a subject more thoroughly.
8. Figure out how to play the guitar: It's a skill plenty of people wish they had and now you can. The site, Justin Guitar [12], offers plenty of courses and songs to learn that'll have you riffing in no time.
9. Play a silly game to relax: Plug in your headphones and try to find the Invisible Cow [13]. It's a fun and easy game to play.
10. Draw for fun: On Weave Silk [14], you can draw beautiful creations in different colors. It's soothing and might amp up your drawing skills.
11. Improve your typing pace: Compete against other people on the internet with Type Racer [15]. Race against the clock and others to type a sentence while improving your words per minute.
12. Be the snarkiest person ever: If someone asks you a question that they can totally google, use Let Me Google That For You [16]. It'll answer their question but by showing them how to google it.
13. Find out if you need to change your password: With Have I Been Pwned [17], you can enter your username or email address to find out if your data might've been included in a breach. If it shows up, you'll see what sites to change your username on.