FASTBASE64.COREUTILS(1) User Commands FASTBASE64.COREUTILS(1) (NAME) fastbase64.coreutils - base64 ( coreutils) (SYNOPSIS) fastbase64.coreutils [OPTIONS...] [INPUTFILE] (DESCRIPTION) fastbase64.coreutils base64 simdutf base64 GNU coreutils fastbase64. base64 . base64 . fastbase64 ( base64 GNU coreutils ): . . -o (positional) . (OPTIONS) -b, --break=NUM --wrap ( base64 GNU coreutils ). -w, --wrap=NUM NUM (: 76). 0 . -d, -D, --decode . -e, --encode (). --ignore-garbage . -i, -n, --noerrcheck fastbase64 ( base64 GNU coreutils ): ( --ignore-garbage). -h, --help . -o, --output=FILE fastbase64 ( base64 GNU coreutils ): (: "-" stdout). --version . (EXAMPLES) : fastbase64.coreutils myfile.txt base64 : fastbase64.coreutils -d -i < encoded.txt (SEE ALSO) base64(1), fastbase64(1) (AUTHORS) simdutf . simdutf March 2026 FASTBASE64.COREUTILS(1)