Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

encoding

package

Go to main page

Versions in this module

v1

v1.1.9

Jan 18, 2026

v1.1.8

Jan 17, 2026

v1.1.7

Jan 16, 2026

v1.1.6

Jan 13, 2026

Changes in this version

+ var ErrBase64Empty = ewrap.New("base64 input is empty")

+ var ErrBase64Invalid = ewrap.New("base64 input is invalid")

+ var ErrBase64TooLong = ewrap.New("base64 input too long")

+ var ErrHexEmpty = ewrap.New("hex input is empty")

+ var ErrHexInvalid = ewrap.New("hex input is invalid")

+ var ErrHexTooLong = ewrap.New("hex input too long")

+ var ErrInvalidBase64Config = ewrap.New("invalid base64 config")

+ var ErrInvalidHexConfig = ewrap.New("invalid hex config")

+ var ErrInvalidJSONConfig = ewrap.New("invalid json config")

+ var ErrJSONInvalid = ewrap.New("json input is invalid")

+ var ErrJSONTooLarge = ewrap.New("json input too large")

+ var ErrJSONTrailingData = ewrap.New("json trailing data detected")

+ func DecodeBase64(input string, opts ...Base64Option) ([]byte, error)

+ func DecodeHex(input string, opts ...HexOption) ([]byte, error)

+ func DecodeJSON(data []byte, value any, opts ...JSONOption) error

+ func DecodeJSONReader(reader io.Reader, value any, opts ...JSONOption) error

+ func EncodeBase64(data []byte, opts ...Base64Option) (string, error)

+ func EncodeHex(data []byte, opts ...HexOption) (string, error)

+ func EncodeJSON(value any, opts ...JSONOption) ([]byte, error)

+ type Base64Encoding int

+ const Base64EncodingRawStd

+ const Base64EncodingRawURL

+ const Base64EncodingStd

+ const Base64EncodingURL

+ type Base64Option func(*base64Options) error

+ func WithBase64Encoding(encoding Base64Encoding) Base64Option

+ func WithBase64MaxLength(maxLength int) Base64Option

+ type HexOption func(*hexOptions) error

+ func WithHexMaxLength(maxLength int) HexOption

+ type JSONOption func(*jsonOptions) error

+ func WithJSONAllowUnknownFields(allow bool) JSONOption

+ func WithJSONMaxBytes(maxBytes int) JSONOption

+ func WithJSONUseNumber(useNumber bool) JSONOption