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What do you want to do?

Encode Image to
Private Image
Upload an image and convert it into a portable text string or hidden inside a PNG.
Restore Image from
Private Image
Paste a Base64 string or upload an encoded PNG file to get your original image back instantly.
Convert Image
Format
Convert any image (including HEIC) to JPEG, PNG, or WEBP easily.

Codec64 Guide

A free online tool that lets you securely encode, restore, and convert images locally inside your browser.

❓ What is Codec64?

Codec64 is an image encoder and decoder that allows you to:

  • Convert image to Base64 (internally, without showing complexity)
  • Turn images into private downloadable files
  • Secure images with password protection
  • Restore images instantly
  • Convert images between formats

It works completely online without requiring any login.

🖼️ How to Encode an Image Online

Encoding an image means turning it into a portable and private format that can be stored or shared easily.

1

Upload your image

Choose any image from your device.

2

Add details (optional)

Add a note for identification or a password for high-grade security.

3

Generate private image

Download the encoded image file. This acts as a secure container.

🔄 How to Decode and Restore Image

To restore your image:

1

Upload the encoded image

Upload the PNG image payload you previously generated.

2

Enter password & recover

Input your password (if used) and instantly recover the original picture.

🔒 Secure Image Sharing

Codec64 allows secure image sharing without uploading your data anywhere.

  • Share encoded image files safely
  • Add password protection for extra security
  • Only authorized users can restore the image

⚡ Image to Base64 Converter

Internally, the app converts your image into a format similar to Base64, allowing it to be stored and restored perfectly.

You don’t need to understand technical details — everything works automatically.

🔁 Convert Image Format Online

You can also use Codec64 as an image converter:

  • Convert image to PNG
  • Convert image to JPEG
  • Convert image to WEBP

This works instantly in your browser.

🛡️ Your Privacy Matters

Codec64 is designed as a privacy-first image tool.

  • No image uploads to servers
  • No tracking of your files
  • No storage of your data
  • Everything runs locally in your browser

Your images remain completely under your control.

⚠️ Why Does the Encoded Image Look Different?

The encoded image may look blank or dark because it stores hidden data instead of a visible picture.

This is expected and ensures your image is stored securely.

Frequently Asked Questions

Is this a free image encoder and decoder?

Yes, Codec64 is completely free to use.

Can I encode images online without uploading?

Yes, everything happens in your browser.

Is there any loss in quality?

No, your original image is restored exactly.

Can I share encoded images?

Yes, you can share them like normal files.

What if I forget my password?

The image cannot be recovered.

Ready to secure your images?

If you're looking for a fast, secure, and private online solution to manage your images seamlessly, Codec64 has you completely covered.

👈 Swipe to explore

How do you want to encode the image?

Normal Image
Anyone with the encoded string or PNG can restore the image instantly.
Password Protected
The image is encrypted. It can only be restored with the correct password.

Upload the saved PNG file

The file downloaded from this tool — your image is hidden inside it

Image restored successfully
Your restored image
—
▸  I copied the string instead — paste it here to restore

Drop any image here

JPEG · PNG · WEBP · GIF · BMP · SVG · HEIC

Done!