Base64 to BMP Decoder

Base64 to BMP Decoder - Transform base64-encoded strings back into BMP images. Perfect for extracting embedded images from code or data URIs. Features automatic format detection and validation. Created by Sarah.

Base64 Input ?

How to use:

Paste your base64 string
Auto-detect or select format
Preview the decoded image
Download the BMP file

Decoding Options

Auto-detect Data URI prefix

Remove line breaks automatically

Preview (BMP)

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Frequently Asked Questions

What is base64 decoding?

Base64 decoding converts ASCII text back into binary data, allowing you to recover the original image from its text representation.

What formats are supported?

This tool supports both raw base64 strings and data URIs containing base64-encoded BMP images.

Why isn't my image decoding?

Make sure your base64 string is complete and properly formatted. Enable auto-detect if your string includes a data URI prefix.