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  3. Real Esrgan

Upscale Images 4x for Free with Real ESRGAN

Real ESRGAN is an AI image upscaler that sharpens low-resolution, blurry, or heavily compressed photos and outputs a clean, larger version. It is useful for anyone who has a product shot that came out too small, a scanned photo from an old camera, or an image grabbed from a website that falls apart at full size. The model analyzes the image content and reconstructs fine detail, filling in what compression or low resolution removed, rather than simply scaling the pixels up. The default scale factor is 4x, turning a 512×512 image into a 2048×2048 output, but you can set it lower if you only need a modest size increase. A face restoration option runs a separate pass on any facial regions in the photo, sharpening eyes, skin texture, and hair so portraits do not come back with soft faces against a crisp background. The model also handles graphics, illustrations, and text-heavy images, not just photographs. Drop in a compressed JPEG, a screenshot you want to enlarge, or a scan you need at print resolution, hit generate, and the result is back within seconds. On Picasso IA there are no per-image credits or generation quotas, so you can run the same photo at different scale settings or with face restoration toggled on and off until you get exactly the output you need. Download the finished file and bring it straight into your print layout, design project, or image archive.

Official

Nightmareai

77.17m runs

Real Esrgan

2022-06-22

Commercial Use

Upscale Images 4x for Free with Real ESRGAN

Table of contents

  • Overview
  • How It Works
  • Frequently Asked Questions
  • Credit Cost
  • Features
  • Use Cases
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Overview

Real ESRGAN is an AI model that takes a low-resolution, blurry, or compressed image and returns a sharper, larger version with reconstructed detail. It is available directly on Picasso IA with no installation and nothing to configure before your first run. The most common use is salvaging photos that are too small to print or publish: old scans, compressed web images, small product shots, and AI outputs that came out at a limited size. Rather than stretching pixels, the model infers what the image should look like at a higher resolution and fills in the missing information.

How It Works

  • Upload your image in JPEG or PNG format from your device or by pasting a direct image URL into the input field.
  • Set the scale factor. The default is 4x, which turns a 512px image into a 2048px output. Reduce it if you need a smaller step up in resolution.
  • Toggle face restoration on if the image contains people. This activates a second pass focused on facial regions, sharpening skin, eyes, and hair independently from the rest of the image.
  • Click generate and wait a few seconds. The model processes the image and displays the result on the same page when it is ready.
  • Download the output file. It is watermark-free and ready for immediate use in print, web, or any editing application.

Frequently Asked Questions

Do I need programming skills or technical knowledge to use this? No, just open Real ESRGAN on Picasso IA, adjust the settings you want, and hit generate.

Is it free to try? Yes, the model is free to use with no credit card required. You can run it on any image immediately after opening the page.

Are there any limits on how many images I can upscale? No. There are no usage caps, credit counters, or generation quotas. You can process as many images as you want, in as many sessions as you need.

How long does it take to get a result? Most images return a result in under 10 seconds. Larger inputs or higher scale settings may take a bit longer, but the output appears on the same page when it is ready.

What output formats are supported? The model returns a PNG file by default, which preserves full detail without adding further compression loss to the image.

Can I improve portrait sharpness specifically? Yes. Turn on face restoration before running and the model applies a separate sharpening pass to any faces in the image, targeting skin, eyes, and hair with a different algorithm than the rest of the scene.

What should I do if the result still looks soft? Run the image again with face restoration enabled if you have not already, or try a slightly higher scale factor. Since there are no usage limits, you can iterate on the same image as many times as needed.

Credit Cost

Each generation consumes 1 credit

1 credit

or 5 credits for 5 generations

With Elite or Infinite plans, enjoy unlimited generations with this model at no additional cost.

Features

Everything this model can do for you

4x upscaling

Increase image resolution up to 4x, turning small inputs into larger files without adding compression noise.

Face restoration

Run a dedicated pass on facial regions to sharpen eyes, skin texture, and hair in portrait photos.

Adjustable scale factor

Set the exact multiplier you need rather than being locked to a single fixed preset.

Artifact reduction

Removes JPEG compression blocks and visual noise while preserving fine edge detail throughout the image.

No watermarks

Download clean upscaled files ready to use in a print layout, design project, or client delivery.

Unlimited generations

Process as many images as you want with no credit caps or usage quotas per image.

Browser-based

Run entirely online with no software to install, no GPU to configure, and no account required.

Enhances clarity for prints and digital sharing

Use Cases

Upscale an old low-resolution photo to print size by increasing it 4x without adding visible blur or noise

Restore a compressed JPEG from a website or screenshot to a clean, sharp image suitable for print or publishing

Run face restoration on a group portrait to sharpen eyes and skin detail that were lost during compression

Upscale a small product photo to meet the minimum resolution requirements for e-commerce listing platforms

Upscale AI-generated images that came out at 512×512 to get a cleaner, larger result before sharing or printing

Process 50 or more cropped thumbnails at a consistent 4x scale with no credit limits slowing you down

Prepare scanned archival documents for digital publishing by running each through at a higher resolution

Refine screenshots or game graphics for display

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