Image Upscale & Enhance
Enlarge a still image with high-quality browser resampling and optional sharpening. This is conventional image processing, not generative AI upscaling.
Choose a browser-decodable still image. Animated input is treated as one decoded still frame.
Upscale settings
Important: Enlarging pixels cannot recreate detail that was never present. MesraTools labels this as conventional upscale/enhancement and does not call it AI. Sharpening may improve edge clarity but can also exaggerate noise or halos.
Before & after
Original
No image selected.
Upscaled
Run the upscale to create a result.
Ready.
Output
Privacy & resource limits
The selected image is processed locally with browser Canvas for this workflow and does not need to be uploaded to MesraTools. Build 075 limits output to 8000 × 8000 and 36 million pixels to reduce browser memory failures. Very large images may still exceed a device's practical memory. GIF/APNG/animated WebP animation is not preserved in this still-image tool.
Understand Image Upscale & Enhance
Image Upscale & Enhance helps transform or process files while making the output format, quality and compatibility implications easier to understand.
When this tool is useful
Use it when you need a practical file conversion or processing step and want to review the output before using it elsewhere.
How to use it well
Choose the source file or value, select the required output options, process it, inspect the preview or result, and download only after confirming that quality and format are suitable.
How to interpret the result
Check dimensions, file size, transparency, animation, page count, units or other relevant output properties before replacing an original file.
Practical suggestions
- Keep the original file until you have checked the processed result.
- Use the least destructive quality/compression setting that still meets your goal.
- Test compatibility with the destination app, website or device before batch processing important files.
Example workflow
Example workflow: enter a representative image upscale & enhance input, run the tool, review the output, then change one important input and compare the difference.
Important limitations
Format support depends on browser/runtime capabilities. Transparency, animation, metadata, fonts, colour profiles or specialist codecs may not be preserved by every conversion path.
Privacy: Where the page states that processing is browser-local, your entered content stays in the browser during normal processing. Any tool that requires server or third-party processing must disclose that separately.