Skip to content
We use cookies to improve the site and measure traffic. See our Cookie Policy. You can accept or reject non-essential cookies.
ToolYour Logo
  • Free
  • No signup
  • Fast
  • Privacy-friendly

Back to Category

Image to Base64 Converter

Image to Base64 encodes a supported image as a Base64 string for embeds or APIs. Upload one image, convert, then copy the output on ToolYour.

Drag & drop your file here or click to browse

Supported formats: PNG, JPG, JPEG, WEBP, TIFF, GIF

Base64 String Viewer
View and copy your base64 encoded data
No content
Free · API · MCPToolYour platform

Use Image to Base64 Converter three ways

The free Image to Base64 Converter on this page works in your browser. The same workflow is available via REST API for apps and via MCP for Cursor, Claude, and other agents — one API key, one plan, one quota. This tool is part of the convertors module under File Converter.

  • Free in browserUse Image to Base64 Converter here — no account required.
  • REST APICall from your server with X-Api-Key.
  • MCP for agentsConnect Cursor or Claude to ToolYour MCP with the same key.
  • 1. Get an API keySign in and open Dashboard → API Keys (works for REST and MCP).
  • 2. Call or connectUse the REST API from your server, or paste the MCP URL into your agent config.
  • 3. Same qualityOutput matches the free web tool across all three surfaces.
Manage API keysMCP setupAPI referenceCreate free account

What is Image to Base64 Converter?

Use Image to Base64 when you need a Base64 string for a data URL, email HTML, or an API that accepts encoded bytes. Upload one image and copy a Base64 string. Prefer small assets — Base64 grows payload size. Available via REST and MCP on one monthly quota.

What are common questions about Image to Base64 Converter?

What does Image to Base64 do?

It encodes an image as Base64 text for data URLs and APIs that do not accept raw file uploads.

Why is the string so long?

Base64 expands binary size by about a third. Use it for small icons; host large photos as files instead.

Is the browser tool free?

Yes for typical browser use. REST and MCP share 500 free requests per month on one API key.

Does Image to Base64 have a REST API and MCP?

Yes. Call https://api.toolyour.com/api/v1/convertors/to-base64 or connect MCP at https://api.toolyour.com/mcp with the same key.

What are the key features of Image to Base64 Converter?

Data URL friendly

Produce a Base64 string you can paste into HTML, CSS, or JSON fields.

One image per run

Encode a single file so the string stays manageable to copy.

Temporary processing

The upload is processed for encoding, not stored as a permanent gallery.

API and MCP ready

Automate encoding with the same API key as other ToolYour tools.

How do you use Image to Base64 Converter?

Upload an image

Choose a small PNG/JPG/WebP when possible.

Run encode

Generate the Base64 string.

Copy the output

Paste into your embed, ticket, or config.

Use cases

Inline a tiny logo in HTML email, seed a design token, or debug an API that expects base64 image fields.

Privacy

Encoded strings still contain the full image. Do not paste private photos into public chats or tickets.

Troubleshooting

If paste fails, the string may be truncated. Re-run with a smaller image or download the full response from the API.

Where do you browse more file converter tools?

Related tools

Popular in File Converter

Which toolkits include Image to Base64 Converter?