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Encode Image to Base64 Online Free

Encode any image to Base64 online. Upload JPG, PNG, WebP, or GIF, copy the Base64 string, or download it as a text file.

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What is Encode Image to Base64?

Encode Image to Base64 converts common image files into a Base64 text string for APIs, data URIs, and JSON payloads. Need the reverse? Use Decode Base64 to Image.

How to encode an image to Base64?

  1. 1

    Upload your image

    Drag and drop or browse for a JPG, PNG, WebP, or GIF file. Encoding runs in your browser.

  2. 2

    Copy or download the string

    Copy the Base64 output to your clipboard, or download it as a .txt file.

  3. 3

    Switch to decode when needed

    Click the Decode tab to open Decode Base64 to Image and rebuild a file from a string.

Why encode images as Base64?

Front-end prototypes, HTML email, and API tests often need inline image bytes without hosting a separate file URL.

Inline HTML and CSS

Embed small icons and logos as data URIs during development.

API request bodies

Send image payloads as Base64 fields in JSON for upload endpoints.

Fixtures and docs

Ship sample image bytes as text in tickets, tests, and README snippets.

Features of Encode Image to Base64

Multi-format support

Works with common still formats including JPG, PNG, WebP, and GIF.

Instant encode

Turn image files into Base64 without a CLI or local script.

Copy or save as text

One-click copy plus optional .txt download for payloads and fixtures.

Linked decode tool

The Decode tab opens Decode Base64 to Image so you can rebuild files in one click.

Browser based

Encoding happens in your session — keep sensitive screenshots off untrusted machines.

Frequently asked questions - FAQs

Quick answers about Encode Image to Base64.

Yes. Encode image files to Base64 online for free.

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