Base64 Encoder / Decoder

Changelog

Full release history and version notes for Base64 Encoder/Decoder.

Version 1.0

Latest January 2026

Initial Release

  • Text encoding and decoding — paste any text and instantly encode or decode it to/from Base64
  • Single file encoding and decoding with real-time progress bar
  • Batch folder processing — encode or decode entire folders at once with optional extension filtering
  • Custom output file extension support (e.g. .base64) with automatic extension stripping on decode
  • Chunked streaming in ~1MB blocks — reliable and memory-efficient on large files
  • Smart overwrite handling — Overwrite, Skip, or Cancel with Apply to All option
  • Fully offline — no internet connection required, all processing is local
  • Supports Windows 7, 8, 10, and 11 (32-bit and 64-bit)

Base64 Encoder/Decoder

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