Convert Base64 to PNG Online — Decode Data URIs into Images
Paste any Base64 encoded string or Data URI to instantly decode, preview, and download the full-resolution PNG image file onto your computer.
When converting Base64 to PNG on llmscope.link, your files are decoded and re-encoded entirely within your computer’s browser sandbox via the HTML5 Canvas API and WebAssembly. No image files or telemetry packets are ever uploaded, logged, or retained on any remote server.
| Specification | Base64 (Source) | PNG (Target) |
|---|---|---|
| Compression Mechanism | ASCII encoded text | Standard binary PNG container |
| Alpha Transparency | Encoded in string | Preserved with clean alpha channel |
| Animation Support | Static only | Static only |
| Browser Support | Text format | 100% universal across all viewers |
| Typical Data Delta | ~25% reduction compared to raw text characters | |
- Debugging API responses containing image strings
- Extracting inlined images from CSS or HTML files
- Saving canvas data outputs
- Converting database BLOBs
Paste Base64 string
Paste your raw Base64 string or full data:image/... URI.
Instant decode
The browser decodes base64 bytes into image bitmap.
Inspect dimensions
View the live rendered graphic and pixel dimensions.
Download PNG
Click Download to save the decoded file as a .png image.
Q:Does the string need the "data:image/png;base64," prefix?
Our converter accepts both raw Base64 strings and complete Data URIs with MIME prefixes.
Q:Is my secret image data safe?
Yes! Unlike server-based converters that log your inputs, decoding executes locally in your browser memory.