#base64 #hex #base32 #codec

no-std data-encoding

Efficient and customizable data-encoding functions like base64, base32, and hex

18 stable releases

2.6.0 Apr 28, 2024
2.5.0 Nov 21, 2023
2.4.0 May 20, 2023
2.3.3 Dec 5, 2022
1.1.1 Dec 12, 2015

#22 in Encoding

Download history 640894/week @ 2024-01-25 673208/week @ 2024-02-01 690043/week @ 2024-02-08 640864/week @ 2024-02-15 697903/week @ 2024-02-22 737428/week @ 2024-02-29 729677/week @ 2024-03-07 751768/week @ 2024-03-14 739755/week @ 2024-03-21 705362/week @ 2024-03-28 757042/week @ 2024-04-04 742701/week @ 2024-04-11 755125/week @ 2024-04-18 749218/week @ 2024-04-25 771858/week @ 2024-05-02 613373/week @ 2024-05-09

3,028,949 downloads per month
Used in 3,991 crates (408 directly)

MIT license

120KB
1.5K SLoC

CI Status Coverage Status

This library provides the following common encodings:

Name Description
HEXLOWER lowercase hexadecimal
HEXLOWER_PERMISSIVE lowercase hexadecimal (case-insensitive decoding)
HEXUPPER uppercase hexadecimal
HEXUPPER_PERMISSIVE uppercase hexadecimal (case-insensitive decoding)
BASE32 RFC4648 base32
BASE32_NOPAD RFC4648 base32 (no padding)
BASE32_DNSSEC RFC5155 base32
BASE32_DNSCURVE DNSCurve base32
BASE32HEX RFC4648 base32hex
BASE32HEX_NOPAD RFC4648 base32hex (no padding)
BASE64 RFC4648 base64
BASE64_NOPAD RFC4648 base64 (no padding)
BASE64_MIME RFC2045-like base64
BASE64_MIME_PERMISSIVE RFC2045-like base64 (ignoring trailing bits)
BASE64URL RFC4648 base64url
BASE64URL_NOPAD RFC4648 base64url (no padding)

It also provides the possibility to define custom little-endian ASCII base-conversion encodings for bases of size 2, 4, 8, 16, 32, and 64 (for which all above use-cases are particular instances).

See the documentation for more details.

No runtime deps

Features