Base64 Image Encoder Decoder - Convert PNG/JPG to Base64 Online
Encode images into clean, web-ready Base64 dataURL strings to inline directly in your stylesheets, or decode Base64 strings back into high-resolution images instantly.
✓ 100% Free & Unlimited✓ 100% Browser Local & Private✓ No Registration Required
How to use Base64 Image Encoder Online
Step 1: Upload your JPEG, PNG, or SVG image file, or paste your raw Base64 dataURL string.
Step 2: Let the parser convert your inputs, then copy the generated HTML `<img>` tag or CSS background snippet.
Step 3: Download your decoded image file if converting from a base64 string.
Frequently Asked Questions
What is a Base64 Image DataURL?
A Base64 DataURL represents image bytes as a structured text string. This allows developers to embed images directly inside HTML or CSS files, saving HTTP requests.
Does encoding an image to Base64 increase its final file size?
Yes, Base64 encoding generally increases raw binary file size by about 33%. For large images, standard file serving is recommended over Base64 strings.
What image formats can I encode with this tool?
We support all popular web image formats, including PNG, JPG, JPEG, WEBP, SVG, and GIF.