Why is the encoded string much longer than the source file?
Base64 expands binary data, so output is normally larger than the original binary content.
Convert images to Base64 data URIs or decode Base64 back to images
Data URIs can simplify prototypes and email templates by removing external image requests, but they also increase document size.
Related tools: QR Code Generator, Hash Generator, URL Encoder.
Base64 expands binary data, so output is normally larger than the original binary content.
Yes. Typical data URI prefixes are supported when decoding image payloads.
No. The conversion runs locally in your browser.