How to say "transform" in Japanese

Choosing the right word
  • 変えるかえるJLPT N4approx.Common
    ichidan verb, transitive verbThe transitive choice: you change, alter, or transform something, and the thing transformed stands as the direct object. Use it when the subject transforms or converts something else.
    なんで彼かれは考かんがえを変かえたのか。↗
    What made him change his mind?
  • 化するかするJLPT N1approx.Common
    suru verb (irregular), transitive verb, intransitive verbDescribes something changing into, turning into, or becoming something else — the subject undergoes the transformation. Use it when a thing or person is transformed into a different form or state.
    I also digitized it and made a desktop image.
  • 化すかすCommon
    godan verb, transitive verb, intransitive verbThe same verb as 化する, with the same senses — to change into, turn into, or become something else. Anything said with 化する can be said with this form.
    1年ねんが過すぎ、彼かれの死体したいは塵ごみと化かした。↗
    A year had passed by and his body turned to dust.
  • 変じるへんじるCommon
    ichidan verb, intransitive verbCovers changing into something else or being transformed — even transfigured — and can also express transforming something. Suits a striking change of form or appearance.

Use 「変える」 when you transform something else; 「化する」 or the equivalent 「化す」 when something itself changes into or becomes something else; and 「変じる」 when something changes into or is transformed, even transfigured.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese equivalents
See also

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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