Skip to content
uencoder
PIPELINE Security & Privacy Beginner 2 steps

RC4 Encrypt then Base64

RC4 is a legacy stream cipher. Base64 makes ciphertext transport-safe. Note: RC4 has known vulnerabilities.

What it solves

RC4 encrypt then Base64-encode for transport.

Input → Output

RC4 Encryptor input → Base64 Encoder output across 2 steps.

Runs in

2–3 minutes · fully local in your browser.

Before you start

  • Plaintext and RC4 key

The pipeline

  1. 1 RC4 Encryptor rc4-encrypt

    Encrypt text with RC4 stream cipher using crypto-js. Free, private, and 100% client-side.

    Params: key=mysecretkey

  2. 2 Base64 Encoder base64-encode

    Encode text or binary data to Base64 online. Free, private, and 100% client-side.

Open in Toolchain

Runs locally in your browser. The recipe defines the pipeline only — your input never leaves this tab.

▶Run this workflow

Enter your input below and click Run. All processing happens locally in your browser — nothing is uploaded.

Pipeline progress

  1. RC4 Encryptorrc4-encrypt
  2. Base64 Encoderbase64-encode

Sample input

Secret data

Expected output

dWJZYnlxVTlIdlNoZVY4PQ==

This pair is executed against the real tools at build time (tests/unit/recipes.test.ts) — the expected output is verified, not illustrative.

Related workflows

Blowfish Encrypt then Base64
Blowfish encrypt then Base64-encode for text-safe transport.
PIPELINE
DES Encrypt then Base64
DES encrypt then Base64-encode for legacy compatibility.
PIPELINE

You might also need

Workflows sharing tools or topics with this recipe.

Base64 encode then decode round-trip
Encode text to Base64 and decode it back to verify the round-trip preserves the original data.
PIPELINE
Convert Ascii85 to Base64
Decode Ascii85 and re-encode as Base64 for wider compatibility.
PIPELINE

Learn more

Base64 vs Base32 vs Base58
Compare three popular base-encoding schemes and learn when to choose each one.
TUTORIAL
Base64: how it works and when to use it
The byte-to-character mechanics behind Base64, why padding exists, which alphabet variants you will meet, and the boundaries where Base64 is the wrong tool.
TUTORIAL

Tools used

RC4 Encryptor
Encrypt text with RC4 stream cipher using crypto-js. Free, private, and 100% client-side.
TOOL
Base64 Encoder
Encode text or binary data to Base64 online. Free, private, and 100% client-side.
TOOL