acid64

A simple Rust CLI tool to decode Base64 and Base64URL-encoded strings. Supports input from command-line arguments, files, or stdin.

Features

• Decode standard Base64 or Base64URL
• Accept input from:
  • Command-line argument
  • File (-f)
  • Stdin (default fallback)
• Optional flag to ignore padding (-p)
• Output decoded result to stdout
• Graceful error handling

Usage

Decode standard Base64 from CLI

acid64 "SGVsbG8gd29ybGQ="

Decode Base64URL from CLI

acid64 -u "YWJjZGVmZ2hpamtsbW5vcHFyc3R1dnd4eXotLS0_"

Decode from file

acid64 -f input.txt

Decode from stdin

echo "SGVsbG8gd29ybGQ=" | acid64

Decode Base64URL from file, ignoring padding

acid64 -p "SGVsbG8td29ybGQ"