There are many free and paid photo editing programs available, but for the best results, use a professional program such as Adobe Photoshop or Lightroom.
RAW format captures more data than JPEG format, which gives you more flexibility when editing your photos.
White balance is the color temperature of your photo. You can adjust the white balance to make your photos look more natural or to create a specific mood.
Exposure is the amount of light in your photo. You can adjust the exposure to make your photos lighter or darker.
Contrast is the difference between the lightest and darkest parts of your photo. You can adjust the contrast to your photos look more dramatic or to make the detail stand out more.
Saturation is the intensity of the colors in your photo. You can adjust the saturation to make your photos look more vibrant or more muted.
Vibrance is similar to saturation, but it focuses on the brighter colors in your photo. You can adjust the vibrance to make your photos look more colorful.
Sharpening can make your photos look more crisp and clear. However, it's important to not over-sharpen your photos, as this can make them look grainy.
You can use a photo editing program to remove blemishes and distractions from your photos. For example, you can remove red eye, pimples.
Cropping can help you to improve the composition of your photos and to focus on the most important subject. You can also use a photo editing program.