/tools/image
Compress images — reduce size privately
Re-encode JPG, PNG, or WebP in your browser at a quality you choose. Dimensions are kept unless you use Resize Image.
Local processing
Tool details
- Formats
- JPG, PNG, WEBP
- Limits
- Up to 50 MB per file · 20 files
- Processing
- Processing stays in this browser after the page loads.
- Result
- Download or copy the result from this tab. Nothing is stored on ZANCTA.
Local processing
Processed in this tab. File bytes are not uploaded. How local processing works
Max 50MB/file, 20 files. HEIC and SVG are not supported.
Free, no upload — pass it on:
Before you start
A clear path through Compress Image.
Review the input, the visible limits, and the expected result before you choose a file. The workspace remains the primary place to do the task.
Check the input
JPG, PNG, WEBP supported · up to 50 MB per file · up to 20 files.
Keep the boundary visible
Selected file bytes are processed in this browser for this supported local workflow.
Review the result
Wait until the tool finishes, inspect the output, then download or clear the workspace.
Related tools
Related reading: JPG vs PNG vs WebP
FAQ
- Quality loss?
- Adjustable about 50–92%. Dimensions are not reduced by this tool. Preview shows before/after sizes.
Processing runs locally in your browser — no upload. Outputs are generated on-device. For the privacy boundary see the local processing guide.