The best replacement for voltage divider is transformer.

The best alternatives to voltage divider are rated as following:
★★★★★  transformer
★★★★★  wheatstone bridge
★★★  level shifter
★★★  voltage regulator
★★  current divider
★  zener diode

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Speaking about voltage divider, one probably shouldn't forget about ldr.

Other search terms related to voltage divider and their ratings are:
★★★★★ ldr
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voltage divider
transformer
wheatstone bridge