How to Increase the Resolution of a Photo

Annika Jansen

How do you increase the resolution of your photo?

Do you have a photo that looks blurry or whose quality is too low for printing? Fortunately, there are several ways to increase the resolution and make your image razor-sharp. Whether you use AI tools, professional software or smart editing techniques, it’s possible to upscale a photo without losing quality.

What is photo resolution and why is it important?

Photo resolution refers to the number of pixels that make up an image. The more pixels, the sharper and more detailed the photo will look. Resolution is usually expressed in pixels per inch (PPI) or in the total number of pixels, such as 1920x1080 (Full HD) or 4000x3000 (12 MP).

Higher resolution is especially important when you want to print or enlarge an image. Low resolution can lead to blurry or blocky results, especially when stretching the photo. By increasing the resolution of a photo, you ensure that your image remains clear and sharp — even at larger sizes.

Increasing photo resolution
Photo resolution comparison

Why increase your photo’s resolution?

There are several situations in which it may be necessary to increase a photo’s resolution. Here are the most common reasons

  • Printing in large format: For posters, canvases or photo books, high resolution is essential to preserve sharp detail
  • Restoring old or low-quality photos: Old photos or images from the internet often have low resolution. Upscaling them can make them suitable for modern use.
  • Cropping without quality loss: When you want to use only a part of a photo, it’s important that the remaining image stays sharp. Higher resolution means more pixels to work with, allowing you to crop without the image becoming blurry or soft. This way, image quality is preserved even after removing parts of the original photo.
  • Improving image quality for digital display: Higher resolution is important for professional uses, such as portfolios or product photography.
  • Preparing images for video projects: In video editing, photos are sometimes zoomed in or animated. Higher resolution prevents the image from becoming grainy.

Methods to increase a photo’s resolution

There are several ways to improve a photo’s resolution, depending on your needs and available tools. Below we discuss the three most effective methods.

1. Use online AI tools
Thanks to artificial intelligence, there are now advanced online tools that automatically upscale photos without quality loss. AI tools analyse the image and reconstruct details with smart algorithms.

Benefits:

  • Easy to use, no software installation needed
  • Fast processing and good results
  • Many tools offer free basic versions

Popular AI tools:

  • Let’s Enhance – Suitable for prints and digital images
  • Gigapixel AI (Topaz Labs) – Professional quality for photographers
  • Aiseesoft Image Upscaler – Online and easy to use


2. Use photo editing software
Professional software offers manual methods for upscaling images with advanced settings such as “Bicubic Smoother” or “Super Resolution”.

Benefits:

  • More control over the editing process
  • Suitable for complex image editing
  • Often better quality than standard upscaling

Popular software options:

  • Adobe Photoshop – Ideal for professionals with extensive editing tools
  • GIMP – Free alternative with basic upscaling features
  • Affinity Photo – Affordable and powerful for photo editing


3. Hire professional services
Sometimes an automated solution isn’t enough — for example when restoring damaged photos or making extreme enlargements. In that case, a professional photo editor can help.

Benefits:

  • Maximum image quality and detail recovery
  • Suitable for complex edits such as colour correction and noise reduction

When to choose a professional?

  • If you want to restore an old or damaged photo
  • For commercial projects requiring top quality
  • If AI tools or software don’t deliver the desired result
Tool Price Ease of Use Key Features
Let’s Enhance Free / Paid Very easy AI-based upscaling, color correction
Gigapixel AI One-time purchase Medium Advanced AI, detail restoration
Aiseesoft Upscaler Free Very easy Online tool, fast upscaling
Adobe Photoshop Subscription required Advanced Manual upscaling, additional editing options
GIMP Free Medium Basic upscaling, suitable for beginners

Increase your photo’s resolution yourself with an online tool

Want to quickly and easily increase your photo’s resolution? These are the steps you’ll follow in most tools.

Step 1: Choose a suitable tool

There are several AI-based upscalers available. Popular choices include:

  • Let’s Enhance (for prints and digital media)
  • Gigapixel AI (professional image quality)
  • Aiseesoft Image Upscaler (free online option)


Step 2: Upload your photo

  • Go to the tool you’ve chosen.
  • Click the upload button and select the image you want to enhance.


Step 3: Choose the desired scaling factor

  • Most tools offer options such as 2x, 4x or even 8x upscaling.
  • Choose a scaling factor based on your needs (for example 2x for social media, 4x for prints).
  • Or enter the exact number of pixels you require.


Step 4: Apply additional settings (optional)

  • Some tools offer advanced options such as noise reduction or detail enhancement.
  • Experiment with the settings to achieve the best result.


Step 5: Download your enhanced image

  • Preview the edited photo.
  • Happy with the outcome? Download the high-resolution version and save it


With these simple steps, you can quickly and effectively increase your photo’s resolution — without sacrificing quality!

Tips to maintain quality when increasing resolution

Increasing a photo’s resolution can sometimes result in quality loss, such as blurriness or digital noise. Here are some useful tips to achieve the best results:

1. Start with the highest possible quality

  • Use the original image in the highest available resolution.
  • Avoid edited or compressed files such as screenshots or WhatsApp images.

2. Use AI-based upscaling

  • AI tools like Gigapixel AI and Let’s Enhance reconstruct details better than traditional upscaling methods, such as bilinear interpolation, bicubic interpolation or nearest neighbour.

3. Limit upscaling to what’s necessary

  • A 2x or 4x enlargement often delivers better results than extremely large increases (e.g. 8x or more).

4. Apply sharpening and noise reduction

  • After upscaling, your photo may appear slightly softer. Use software such as Photoshop or Lightroom to sharpen details.
  • Avoid over-sharpening — it can create unnatural edges.

5. Work in a lossless file format

  • Save your image as PNG or TIFF instead of JPEG to minimise quality loss.

Conclusion

Increasing a photo’s resolution is easier than ever today, thanks to AI tools and advanced editing software like Adobe Photoshop. So you can now enlarge the resolution of your images without losing quality.