You can tune your guitar with online guitar tuners. There are some free guitar tuner on web. If your ear is enough to make string tune, you don’t need guitar tuner online mic. But I will leave
Guitar tuner online mic When you turn on the tuner, your device will ask for permission to record sound from a microphone. If you have a laptop, you can tune your guitar with it. Just give a permission to your laptop mic for tuning your guitar.
Fender online tuner pages give you different guitar tune specifically.
Acoustic Guitar Tuner
Link: acoustic guitar tune online
Electric Guitar Tuner
Link: electric guitar tuner online
Bass Guitar Tuner
Link: online bass guitar tuner
The Ukelele Tuner
Here is free online ukelele tuner link below. (There is a problem with Fender guitar tuner link. So just switch from bass to ukelele tuner.) Tuning the ukelele Link: online ukelele tuner
Fender standard guitar tuning, drop d tuning, drop g tuning, drop b tuning, drop c tuning, open g tuning, open e tuning, c standard tuning, d standard tuning,
Fender gives a lot different guitar tuning options. You can tune your guitar as follow:
“e standard guitar tuning, c standard tuning, d standard tuning, e flat tuning“
“drop d tuning, drop a tuning, drop b tuning, drop c tuning, drop d tuning guitar, drop C#, drop C, drop B, drop A, DADGAD, half step down, full step down, half step up, DGCFAD tuner, CGCFAD tuning, c sharp guitar tuning, drop c sharp tuning“
“open g tuning, open c, open d tuning, open a tuning, open e tuning, open f“
If you want to learn how to tune guitar, you can check “How to tune your guitar in different methods?” article. It indicates you how to tune a guitar by ear.