Lossless PNG compression
Lossless preset loaded for PNG so you can start with the right quality settings.
Drag and drop your images here
or click to browse files
Compression Settings
or click to browse files
How to use the Lossless preset
Upload Images
Drag and drop your images or click to browse. Supports all common image formats.
Adjust Settings
Choose your desired quality level and output format. Preview changes in real-time.
Download Results
Download compressed images individually or as a batch. Your images are processed locally for privacy.
Lossless tips for PNG
Start with the suggested format
PNG is already chosen for the preset so you keep expected quality.
Preview before downloading
Check the before/after to confirm the preset meets your quality target.
Batch apply the preset
Upload multiple files and compress together to keep results consistent.
Lossless compression FAQ
When should I use the Lossless preset?
Choose it when you want predictable results fast—no manual slider guessing to keep PNG quality.
Does it keep transparency?
The transparency preset keeps alpha channels for PNG/WebP assets without artifacts.
Can I still adjust settings?
Yes. Start with the preset, preview, then fine-tune quality or format if you need a smaller size.