GIF to Base64 Converter

Turn GIF images (including animated GIFs) into Base64 data URLs ready to embed inline in HTML or CSS

Upload a GIF (including animated ones) and get a Base64 data URL you can paste inline.

Data URL prefix: data:image/gif;base64,

Drop a GIF file here or pick one below.

What is GIF to Base64 Converter

Last reviewed: April 18, 2026

GIF is an indexed-color raster format that supports simple animation. Encoding a GIF as Base64 embeds the complete byte stream — including every animation frame — into a text-safe data URL.

GIF to Base64 Encoder accepts a .gif file and returns a `data:image/gif;base64,…` string that can be used directly in `<img>` tags or CSS `background-image`.

Why use it

Embed a short animation inline without hosting a separate .gif file.
Paste the result into an email HTML template where external requests are blocked.
Animation frames are preserved because the entire binary is encoded — nothing is rasterized or re-encoded.
Runs 100% in your browser with no upload.

Features

Animated GIF support
Byte-for-byte encoding
Copy data URL or raw Base64
Drag-and-drop GIF upload
Your GIF stays on this device
First-frame GIF preview

How to use GIF to Base64 Converter

Drop a GIF. Drag a .gif file into the tool or click Choose GIF.
Copy the data URL. Copy the full `data:image/gif;base64,…` string.
Embed it. Paste it into HTML, CSS, or any text-safe field.

Example (before/after)

GIF file

spinner.gif (binary, 18 KB, 12 frames)

Base64 data URL

data:image/gif;base64,R0lGODlhIAAgAPMAAOzs7O3t7e7…

Common errors

Animation is lost

Some tools re-encode the GIF through a canvas and drop frames 2..N.

Fix: This tool passes the binary through verbatim — use the downloaded data URL as-is.

Huge HTML size

A long animated GIF can produce a Base64 string measured in megabytes.

Fix: Convert to MP4/WebM or shorten the animation first; Base64 is only suitable for small GIFs.

FAQ

Are animated GIFs supported?

Yes. The entire file is encoded, so every frame and the loop count are preserved.

Is my file uploaded?

No. Encoding happens entirely in the browser.

How big does the Base64 string get?

About 4/3 of the original binary. A 30 KB GIF becomes roughly a 40 KB string.

Can I decode it back?

Yes — pair with Base64 to GIF to recover the animation.

Related tools

Related encoders and image tools: You can also browse the full Encoders & Decoders category for more options.

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