Skip to content

Base64 Encoder

Convert plain text or binary files to Base64 strings — for data URIs, APIs, and authentication headers.

Available nowNo account requiredDeveloper Tools

Base64 Encoder

Convert text or files to Base64 — for data URIs, APIs, and auth headers.

How to use Base64 Encoder

  1. 1

    Type or paste your text

    Enter UTF-8 text in the input panel — emoji and non-ASCII are fully supported.

  2. 2

    Or upload a file

    Click 'Upload file' to encode an image, PDF, or any binary file into Base64.

  3. 3

    Pick URL-safe (optional)

    Use URL-safe encoding when the Base64 will live inside a URL or filename.

  4. 4

    Copy or download

    Copy the result with one click, or download it as a .txt file for sharing.

About Base64 Encoder

Convert plain text or binary files to Base64 strings — for data URIs, APIs, and authentication headers.

Use Base64 Encoder when you need to encode text or files to base64. Review the available options in the interface, process your input, and check the result before saving or copying it.

Frequently asked questions

  • Base64 encodes binary data as ASCII text so it can travel safely through systems that only handle text — JSON, JWTs, data URIs, email attachments.