Encode, decode, escape, and inspect text entirely on your device.
Encoder Tools is a collection of practical encoding and decoding utilities for developers, students, and anyone working with structured or encoded text. Everything runs locally on your iPhone, your input is never uploaded or sent to a server.
Encoding & decoding tools
• Base64
• Base32
• Base58
• ASCII
• Hex
• Binary
• URL encoding
• Quoted-Printable
• HTML & XML entities
• JSON string escaping
• String literal escaping
• Unicode escapes
Quickly switch between encoding and decoding, paste input from the clipboard, adjust format-specific options, and copy the result when you're done.
JWT Workspace
Decode and inspect JSON Web Tokens in a dedicated JWT workspace.
View the token header and payload in a readable format without sending the token anywhere.
Built for everyday use
• Fast, fully on-device conversions
• Works without an internet connection
• Searchable catalog of tools
• Favorite frequently used tools
• Format-specific conversion options
• Convenient quick-key controls
• Import and export support for compatible formats
• Clean native interface designed for iPhone and iPad
Private by design
Encoder Tools does not require an account or an internet connection for conversions.
Your text, files, encoded values, and JWTs stay on your device.
Whether you're debugging an API response, decoding Base64, escaping a JSON string, inspecting a JWT, converting text to hexadecimal, or simply checking an encoded value, Encoder Tools keeps the utilities you need in one place.
