https://www.copypastecharacter.com
Most used ones:
Alt + 0149 • bullet point
Alt + 0153 ™ trademark symbol
Alt + 0169 © copyright symbol
Alt + 0174 ® registered trademark symbol
Alt + 0176 ° degree symbol
Alt + 0177 ± plus-or-minus sign
Alt + 0215 × multiplication sign
Alt + 12 ♀ female sign
Alt + 11 ♂ male sign
Alt + 13 ♪ eighth note
Alt + 14 ♫ beamed eighth note
Alt + 251 √ square root check mark
Alt + 8236 ∞ infinity
Alt + 24 ↑ up arrow
Alt + 25 ↓ down arrow
Alt + 26 → right arrow
Alt + 27 ← left arrow
Alt + 29 ↔ left right arrow
All of them:
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