Developer & Data

Encode images as Base64 or decode data URIs.

Base64 Image turns an image into a Base64 data URI or decodes image data back into a file preview.

No account or card required. Local-first Mac app.

Foldout Encode images as Base64 or decode data URIs tool screen on macOS
Works locallyDesigned for on-Mac processing.
Signed and notarizedBuilt for Apple Silicon Macs.
No app telemetryNo usage tracking from Foldout itself.
Free 14-day trialNo account or card required.
What it does

Built for the common jobs people usually send to separate apps.

Encode image files to data URIs.

Decode Base64 image data.

Preview and save decoded output.

Detailed capabilities

What Base64 Image covers.

Concrete features, inputs, and workflow details for this tool.

Core capabilities

Encode image files to data URIs. Decode Base64 image data. Preview and save decoded output.

Inputs and scope

Works with images and Base64 image text.

How the workflow runs

Add an image or paste image data. Choose encode or decode. Review the output or preview. Copy or save the result.

Base64 Image use cases

Common uses include email templates, inline assets, aPI payloads, and debugging image data.

How to use it

From opening the tool to saving the result.

  1. 01

    Add an image or paste image data.

  2. 02

    Choose encode or decode.

  3. 03

    Review the output or preview.

  4. 04

    Copy or save the result.

Questions

Before you try Base64 Image

Is this for text Base64 too?

Use Encode / Decode for plain text Base64.

Try the full toolbox

Use Base64 Image free for 14 days.

No account, no card, and no upload required for local file tools.