EchoKit

Productivity

Only for Mac

Free

Mac

EchoKit is a macOS toolkit that helps developers perform encoding, hashing, and cryptographic operations on text and files. EchoKit is a developer-focused toolkit designed for macOS, providing a practical collection of encoding, hashing, and cryptographic utilities. It supports both text and file-based workflows and is suitable for everyday development, debugging, and validation scenarios. EchoKit offers a clean and intuitive interface that helps developers quickly transform data, calculate digests, and verify encryption results without writing temporary code or switching between multiple tools. Encoding and Conversion • Base64 encoding and decoding for text, files, and image Data URLs • Hex encoding and decoding • URL encoding and decoding • HTML entity conversion • Unicode transformations • Base and radix conversions • Common ID encoding and decoding between byte data and strings Hashing and Message Digests • MD5 • SHA family (SHA1, SHA2, SHA3) • Keccak • SHAKE and TurboSHAKE (XOF) • BLAKE2 and BLAKE3 • HMAC • SM3 Symmetric and Asymmetric Cryptography • AES, including AEAD modes such as GCM, CCM, and OCB • DES and Triple DES • Blowfish • Rabbit • SM4 • RSA encryption, decryption, signing, and verification • SM2 encryption, decryption, signing, and verification • ZUC-128 stream cipher (128-EEA3 and 128-EIA3) File and Large Input Support • Seamless switching between text and file input modes • Preview and full export support for large files • One-click copying of results • Export results as text or binary files EchoKit is intended for development, debugging, and learning purposes, helping developers better understand and validate data processing results. This application works entirely offline and does not include network requests or data uploads.

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

The developer, 伟 宋, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    伟 宋
    Size
    5.4 MB
    Category
    Productivity
    Compatibility
    Requires macOS 14.0 or later.
    • Mac
      Requires macOS 14.0 or later.
    Languages
    English and 7 more
    • English, French, German, Japanese, Korean, Simplified Chinese, Spanish, Traditional Chinese
    Age Rating
    4+
    Copyright
    © @2026 EchoKit
  • Privacy Policy

    • More by 伟 宋