Private · Client-side · No upload

Private Base64 converter image encoding without leaving your device

Use a private Base64 converter in your browser — load a local image, encode on-device, and copy a Base64 string without sending files to a remote server or creating an account. Pix-8 Base64 Encoder reads your image via FileReader, outputs an optional data URL prefix, and shows character and byte size before you paste into CSS, HTML, or email. It encodes image files to Base64; it does not decode pasted strings or convert plain text.

Encode images — Free

Private · No upload · Browser-native

What this tool does

  • Load image files locally from your device
  • Generate Base64 strings with optional data URL prefix
  • Copy output ready for CSS, HTML, or email templates
  • Character and byte size readout for the encoded output
  • On-device processing — images never uploaded to a server

Private because it stays local — not a cloud converter

Pix-8 Base64 Encoder reads your image file locally and outputs a Base64 string in your browser tab — not a hosted service that ingests uploads first. Your pixel data is not transmitted to Pix-8 during encoding or copy. Toggle the data URL prefix, review character and byte size, then copy in one step. It does not batch-encode folders, decode Base64, or encode plain text.

Why use a private Base64 converter?

Hosted Base64 converters route every file through a remote server before you can copy a string — exposing source assets to a third-party system. Pix-8 keeps encoding local — the direct fit when you need a private Base64 converter for inline icons, logos, and small graphics without routing sensitive files through a cloud encoder.

Your files stay on-device

Your image file is read and converted via FileReader in your browser. Pix-8 never receives your pixel data — there is no server upload or account required.

Copy-ready data URLs

Optional data:image/…;base64, prefix outputs strings formatted for CSS background-image or HTML img src — one-click copy when ready.

Size before you paste

Character and byte readout helps you judge whether an inline Base64 asset fits your stylesheet or HTML before you commit to the payload.

How it works

  1. Step 1

    Open Base64 Encoder

    Navigate to Pix-8 Base64 Encoder in your browser — no install, no account, and no upload dialog before encoding.

  2. Step 2

    Load an image locally

    Choose a PNG, JPEG, WebP, or GIF from your device. The browser reads the file on-device and encodes it to Base64 via FileReader.

  3. Step 3

    Copy the encoded string

    Review character and byte size, toggle the data URL prefix if needed, then copy — ready for CSS, HTML, or email.

Frequently asked questions

What makes this a private Base64 converter?

Pix-8 Base64 Encoder runs entirely in your browser. Your image file is read locally via the FileReader API, encoded on-device, and displayed as a copy-ready string. Your pixel data is not transmitted to Pix-8 or any third-party server — there is no cloud upload step.

Does a private Base64 converter decode strings back to files?

No. Pix-8 Base64 Encoder converts image files from your device into Base64 strings — typically PNG, JPEG, WebP, or GIF — with an optional data:image/…;base64, prefix. It does not accept pasted Base64 input and decode it back into plain text or a downloadable image.

What can I convert with this private Base64 tool?

Base64 Encoder converts one image file per session into a Base64 string. Character and byte size are shown before you copy. It does not batch-process folders, encode plain text, decode Base64, or convert video files.

Related use cases

Ready for private image-to-Base64 encoding?

Open Base64 Encoder, load a local file, and copy your string — privately, entirely on-device.

Open Base64 Encoder

Client-side processing only — your image never leaves the browser.