PDF to Base64

Encode a PDF as a Base64 string.

How to use PDF to Base64

Prepare a document for a Base64 API field.

  1. Choose a small, non-sensitive test file in the supported format.
  2. Choose Convert and review the available options.
  3. Process the file and wait for the result.
  4. Inspect the output before copying, printing or downloading it.

A small example

Upload a PDF → Base64 text, then test it in Base64 to PDF

When the result looks wrong

Base64 expands data size and is not encryption.

Questions about PDF to Base64

Is my input uploaded?

File and text processing runs in your browser. Opening the website still loads application assets from its host.

What if the result looks wrong?

Base64 expands data size and is not encryption.

Can I use sensitive production data?

Prefer non-sensitive test data. Never paste live access tokens, passwords or confidential documents into a site without assessing its code and environment.

Explore all tools

Browse all tool categories

Supported input and output

.pdf

See the result panel and available copy or download controls for the selected action.

Related Developer tools

Browse Developer tools