About the File Compressor
Reduce the size of images, PDFs, documents and archives with a free online file compressor. Spotlist detects the file type automatically and offers quality-focused, balanced and maximum-compression options.
What you can do
- Compress images, PDFs, documents and archives
- Choose between three compression levels
- See an estimated output size before processing supported images
- Process files without creating an account
How to use it
- Choose or drop a file into the compressor.
- Select the compression level that suits your quality and size needs.
- Download the optimized file when processing is complete.
Frequently asked questions
What file types can I compress?
The compressor handles common image formats, PDFs, ZIP-based documents and archives. Unsupported files can be packaged into a compressed ZIP archive.
How large can my file be?
You can compress files up to 25 MB. Very large image dimensions may be rejected to keep processing reliable.
Will compression reduce quality?
It depends on the selected level and file type. Best quality preserves more detail, while the most compressed option prioritizes a smaller file size.