Image Base64 Encode & Decode

Convert images to Base64 data URLs and decode Base64 strings back into images.

Image Base64 Encode & Decode

Convert an image into a Base64 data URL or decode Base64 back into an image. Fast, private, and processed entirely in your browser.

Choose an image or paste a Base64 value to begin.

1. Encode Image to Base64

Upload an image and convert it into a Base64 data URL.

Base64 Encoded String

2. Decode Base64 to Image

Paste a Base64 value and convert it back into an image.

Decoded Image Preview
Your decoded image will appear here
Private & Secure

Images are processed locally and are never uploaded.

Fast Processing

Encode and decode directly inside your browser.

No Registration

Open the tool and start converting immediately.

Responsive

Designed for desktop, tablet, and mobile browsers.

Your image never leaves your browser. All processing is local.

Practical guide

Using Image Base64 Encode & Decode with confidence

Reviewed by LipiCode Editorial Team

What this tool helps you do

Image Base64 conversion represents image bytes as text or reconstructs an image from such text. It is convenient for small inline assets and API fields, but it increases payload size and can reduce normal browser caching benefits.

When it is useful

  • Inspecting image data URLs
  • Creating a small inline asset
  • Testing an API that accepts Base64
  • Recovering an image from encoded data

A practical example

A data URL combines a media type such as image/png with the Base64 payload. When decoding, verify that the declared type matches the actual file signature.

Limitations and common mistakes

Base64 is not compression or encryption. Large encoded images make HTML or JSON difficult to cache and inspect. Treat decoded unknown files as untrusted content.

Frequently asked questions

Why is the encoded text larger?

Base64 typically adds roughly one third to the raw byte size.

Should every website image be inlined?

No. Separate files are usually better for large or reusable images because browsers can cache them independently.

Read the related in-depth guide