How to say "upload" in Japanese

Choosing the right word
  • noun, suru verb, transitive verbThe straightforward loanword for uploading data or files to a server or website. Perfectly clear in any context, though less frequent than the shorter アップ in casual speech.
    画像がぞうのアップロードの仕方しかたが分わかりません。↗
    I can't figure out how to upload an image.
  • うpうぷ
    noun, suru verb, transitive verbInternet slang for uploading, especially posting images or files to a website. Use it only in very casual online writing; it is not appropriate in formal or careful prose.
  • ULユー・エル
    nounAn abbreviated way of writing 'upload'. Rare and marginal in ordinary usage, so this is seldom the word you want; recognize it but prefer アップ or アップロード when speaking or writing.
  • アップJLPT N1approx.Common
    noun, suru verb, transitive verbThe common, everyday way to say 'upload' or 'post something online', as a short form of アップロード. Typical in conversation and casual writing, e.g. when sharing photos or videos on a website.

For uploading files online, 「アップ」 is the common everyday choice; 「アップロード」 is the fuller loanword; 「うp」 and UL are casual or abbreviated variants, so prefer the first two in ordinary contexts.

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

Japanese equivalents

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

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