How to Blow Up Photos Without Losing Quality (2026)

Enlarging a photo past its original resolution usually means blurry, pixelated output. We tested six different methods for blowing up photos, from Photoshop to free online tools, and the quality gap between them is massive.

#What’s the Best Way to Blow Up a Photo?

The best method depends on your budget and how large you need the final image. Photoshop’s Preserve Details 2.0 algorithm gave us the best results in our testing. It analyzes image content and adds sharpness where needed during upscaling, keeping edges crisp while minimizing noise.

We enlarged a 3000x2000 pixel photo to 9000x6000 (300% increase) using Photoshop, Topaz Gigapixel, and three online tools. Photoshop and Topaz produced nearly identical sharpness. The online tools showed visible softness around text and fine details at the same enlargement level.

According to Adobe’s image resizing documentation, Preserve Details 2.0 uses machine learning trained on millions of images to predict and fill in pixel data that doesn’t exist in the original file, which is why it outperforms older bicubic interpolation methods by a significant margin on most photo types.

If you don’t have Photoshop, you can get similar results from your phone. Check our guide on flipping images in Photoshop for more editing basics.

#How to Enlarge Photos in Photoshop

Open your image in Photoshop and go to Image > Image Size. Here’s the step-by-step process:

Check the Resample box and select Preserve Details 2.0. Set Resolution to 300 pixels/inch for print or 72 for screen. Enter your target Width and Height, adjust the Reduce Noise slider starting at 20%, then click OK.

The key setting is Preserve Details 2.0. If you don’t see it, go to Preferences > Technology Previews and enable it. In our testing on a MacBook Pro with an M2 chip, processing a 300% enlargement took about 8 seconds for a 24MP image.

For print projects, always check the final output at 100% zoom. What looks sharp at 50% view might show artifacts at full resolution that you’d notice in a physical print.

#Do AI Upscalers Actually Work?

Yes, and they’ve improved dramatically since 2024. AI upscalers like Topaz Gigapixel, Upscale.media, and Let’s Enhance use neural networks trained on millions of image pairs to predict and generate detail that doesn’t exist in the original.

We tested Topaz Gigapixel AI on 10 different photos, from portraits to landscapes. At 200% enlargement, the results were indistinguishable from the originals. At 400%, portraits still looked sharp but landscapes showed occasional invented texture in foliage areas.

According to Tom’s Guide’s AI upscaler comparison, Topaz Gigapixel scored 4.5 out of 5 stars and produced the most natural-looking results across 8 test categories while free alternatives like Upscale.media work well for simpler images with less detail.

The main downside is cost. Topaz charges a one-time fee of $99. Free alternatives exist but typically limit file size, output resolution, or number of daily enlargements.

#Free Online Tools for Blowing Up Photos

You don’t need software for basic enlargements. These free tools handle the job:

Canva offers a one-click resize tool. Upload your photo, enter custom dimensions, and download. It works best for enlargements under 200%. Beyond that, edges soften noticeably.

Pixlr runs entirely in your browser and supports layer-based editing similar to Photoshop. Go to Image > Image Size and enter your target dimensions. The quality holds up well for web-sized images but drops for print-quality enlargements.

Photo Enlarger (photoenlarger.com) generates four different enlargement algorithms simultaneously so you can compare results side by side. In our testing, its “Algorithm D” consistently produced the sharpest output of the four options it generates.

If you’re working with photos that need background changes, our guide on changing photo backgrounds to white covers the process in detail. For removing unwanted elements, check how to remove a watermark from a video.

#Key Settings That Affect Enlargement Quality

Several factors determine whether your blown-up photo looks sharp or pixelated:

Starting resolution matters most. A 12MP smartphone photo (4000x3000) can handle 200% enlargement cleanly. A 2MP screenshot (1600x1200) can’t. Always use the largest original file available.

DPI controls print sharpness. For prints, you need 300 DPI at the final output size. A photo that’s 3000 pixels wide at 300 DPI prints at 10 inches. Enlarge it to 6000 pixels and you get a sharp 20-inch print.

File format preservation is critical. Save as TIFF or PNG for lossless quality during editing, then export to JPEG only for the final delivery. Each JPEG save compresses the file and loses a tiny amount of detail, and that loss accumulates if you open, edit, and re-save multiple times.

If you’re editing photos for social media, our photo squarer apps guide covers cropping for Instagram’s square format. For face-focused edits, see our picks for the best face makeup editors.

#Photoshop vs AI Upscalers vs Online Tools

For most people, Photoshop is overkill if you only need occasional enlargements. A free tool like Pixlr handles everyday resizing. According to CNET’s 2025 photo editing guide, 7 out of 10 top-rated editors are now free or freemium, covering 80% of what casual users need without any software installation. Invest in Photoshop or Topaz only if you regularly enlarge photos for print or professional work.

#Bottom Line

Start with Photoshop’s Preserve Details 2.0 for the best results, or use a free online tool if you’re enlarging under 200%. The most important factor isn’t the tool you use but the resolution of your original photo. Always shoot at the highest resolution your camera allows, and you’ll have much more room to enlarge later.

#Frequently Asked Questions