Bildkomprimierung
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Bilder und Dateien
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JPG, PNG, WebP · 25 MB per file · 50 MB total · Up to 40 megapixels
Detaillierte Methoden, Beispiele und einige erweiterte Hinweise sind derzeit auf Englisch verfügbar.
Step-by-step instructions (English)
- Select an image and choose a free crop or aspect-ratio preset.
- Move the crop region with the available position controls or drag interaction; rotate or flip if needed.
- Inspect the selected area and download the cropped PNG.
Formel und Methode
Rotate and flip the decoded pixels, then extract the selected rectangle. Drag or adjust the position controls to choose the region. Aspect-ratio presets constrain its shape, while free mode allows separate crop width and height.
Ein praktisches Beispiel
Choose 1:1 to create a square crop, move the selection over your subject, and download the selected pixels as PNG.
When this tool is useful
Remove distracting edges, isolate a subject, or create a square composition from a wide image. Cropping is a framing operation; use resizing separately if you also need a specific output resolution.
Common mistakes and limitations
- A tight crop reduces the number of retained pixels; enlarging it later can reduce apparent sharpness.
- Check the selection after rotation or flipping because the composition changes.
Practical questions about this tool (English)
Does cropping delete the original file?
No. The tool produces a downloadable result. Keep the original file so you can choose a different composition later.
Is a 1:1 crop the same as a fixed 1,000-pixel square?
No. The ratio determines shape, not a fixed pixel size. A square selection can have many different dimensions; use Image Resizer for a specific size.