To enlarge a photo without losing quality for free, you can follow these methods using various tools:

For Mac Users:

  1. Preview App:

    • Open the image in Preview.
    • Click on "Tools" > "Adjust Size" to set the resolution to 300 pixels/inch (PPI).
    • Uncheck the "Resample Image" checkbox.
    • Adjust the width and height to your desired dimensions.
    • Save the image.

  2. UpscalePics Online Tool:

    • Visit UpscalePics for a browser-based solution.
    • Upload your image.
    • Use AI-based upscaling to enlarge the image without losing quality.
    • Download the enlarged image as JPG or PNG.
    • Note that the free version offers 5 image enlargements, after which you may need to consider the paid plans if you need more upscaling.

For Windows Users:

  1. GIMP:

    • Download and install GIMP, a free alternative to Photoshop.
    • Open the image in GIMP.
    • Go to "Image" > "Scale Image" and set the resolution to 300 pixels/inch.
    • Uncheck the "Interpolation" option and choose "Nearest Neighbor" to avoid blurring.
    • Adjust the width and height to your desired dimensions.
    • Save the image.

  2. UpscalePics Online Tool:

    • Follow the same steps as for Mac users above.

Remember that enlarging a photo beyond its original size will always result in some loss of quality. However, the methods above can help minimize this loss.