Runs entirely in your browser — nothing is uploaded

Free Base64 Converter

Encode and decode text or entire files to and from Base64 — zero-cost, zero-upload, entirely in your browser.

Input

Output

Overview & Architecture

What is the Free Base64 Encoder & Decoder?

Base64 encoding is widely used to transfer binary data across media designed to handle textual data.

Step-by-Step Instructions

How to Use the Free Base64 Encoder & Decoder

1

Select Encode or Decode mode.

2

Copy the resulting Base64 output string.

Key Features & Security Guarantees

UTF-8 & Binary Support: Encodes standard text, emojis, and binary file data.

Got Questions?

Frequently Asked Questions

No. Base64 is an encoding format for data representation, not encryption.

Overview & Architecture

What is the Free Base64 Decoder?

Decode Base64 payloads, access tokens, and encoded strings back into human-readable text.

Step-by-Step Instructions

How to Use the Free Base64 Decoder

1

Paste Base64 string.

2

Click Decode.

3

View plain text or save file.

Key Features & Security Guarantees

UTF-8 Emoji Support: Accurately decodes unicode text and emojis.

Got Questions?

Frequently Asked Questions

If original payload was binary data (image/PDF), decode as file.

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