Compress Image for Researchers
The journal portal caps submissions at 20 MB and your figure-rich manuscript is 45. If you work as one of the researchers, you have been there. Confileo's Compress Image tool shrinks image file size while keeping it looking sharp — free, in your browser, with your files deleted automatically the moment you are done.
Start Using Compress Image NowWhy Researchers use Compress Image
Day to day, researchers handle journal papers, datasets, grant proposals, survey results, literature reviews and conference posters — exactly the kind of files this tool is built for.
- Merging dozens of source papers into one annotated literature-review PDF.
- Compressing a figure-heavy manuscript to meet a journal submission limit.
- Extracting tables from PDFs into a spreadsheet for re-analysis.
- Redacting participant data before sharing a dataset publicly.
How to compress image in 3 steps
- 1Upload the image you want to compress.
- 2Pick the balance of size and quality.
- 3Download the smaller image.
Built for the way researchers work
- ✓Accurate table extraction saves hours of manual data re-entry.
- ✓Participant data is processed then deleted for ethics compliance.
- ✓Free for grad students and labs on a tight grant.
Compress Image — Frequently asked questions
Is Compress Image free for researchers?
Yes. Accurate table extraction saves hours of manual data re-entry. There is no signup, no trial and no watermark on your files.
What kind of files can researchers use Compress Image for?
Compress Image works with the documents researchers handle every day — journal papers, datasets, grant proposals, survey results, literature reviews and conference posters. A common case: Merging dozens of source papers into one annotated literature-review PDF.
Will my image look worse?
Smart compression keeps images visibly sharp while cutting file size significantly.
Which formats are supported?
Common formats like JPG and PNG compress well for web and email.
How do I shrink an image to send or upload it?
Upload the image, pick a compression level, and download a much lighter copy suitable for email, websites and chat apps.
Can I compress an image below a certain size?
Yes. The higher the compression, the smaller the size; try the levels until you reach the size you need with acceptable quality.
Does compressing reduce the pixel dimensions?
Compression mainly cuts file size while keeping the dimensions. To change dimensions, use the Image Crop tool.
Why compress images before uploading to my site?
Lighter images make your pages load faster, improving visitor experience and your search ranking.