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Batch Picture Resizer does much more than the name implies. Automating routine tasks of image processing, it allows performing seamless conversion between multiple image formats, embedding logos or watermarks in multiple images, as well as resizing pictures in highest quality possible. In addition, Batch Picture Resizer supports a number of lossless operations such as flipping, mirroring and rotating images without losing visual quality.
No special knowledge required
Batch Picture Resizer offers a simple, friendly user interface and delivers extremely fast operation. The tool helps you quickly finish batch jobs of fitting the images into desired dimensions for sharing, publishing or uploading to your Facebook or Flickr account. In a word, this tool makes image resizing, conversion and watermarking of multiple files a matter of just a few mouse clicks.
All image formats
Recipe Scaling Software
Batch Picture Resizer supports all major image formats including JPEG, BMP, RAW, TIFF, GIF, PNG, PCX, TGA, and a wealth of others. Employing high-quality interpolation algorithms, it can reduce or enlarge images with stunning quality. Speaking about quality, you can adjust levels and colors or convert pictures to grayscale. You can add text or image watermarks to copyright and protect your pictures.
High quality
Some image formats feature lossy compression, meaning you lose some quality every time the compressed image is saved. Batch Picture Resizer deals with this by offering a number of lossless editing tools, allowing you to flip, mirror or rotate JPEG's in fully lossless mode. Of course, you can do the same for any format with the same lossless result!
With Batch Picture Resizer, you can upscale and downscale images easily. For upsizing images, a number of different interpolation algorithms will offer the perfect result for various types of images. Scenes such as nature, with irregular structures, or architecture, with many straight lines, will require different upscaling algorithms - and Batch Picture Resizer has them. Finally, Batch Picture Resizer can retrieve vertical orientation information from EXIF and use this information to automatically rotate pictures. Adobe soundbooth cs5 torrent.
A Sharper Scaling is a high quality image scaling technology mainly developed for upscaling.
An implementation for Microsoft Windows is available as freeware from this site.
An implementation for Microsoft Windows is available as freeware from this site.
Examples
The following examples are most clear if the images are viewed in their original resolution. Otherwise, the browser does another image scaling on top, somewhat obfuscating the differences these examples are about.
It's usually easy to get the original resolution shown. On a Windows PC or Notebook, just hold down the Ctrl key and spin the mouse wheel up or down until the left side pattern of this test stripe looks exactly like a miniature version of the right side pattern (chessboard-like).
For comparison, all examples show the results of two conventional methods as well. Bicubic interpolation is what most image editors offer as the most appropriate method for image scaling. The interpolation results are a bit blurry, so another conventional action might be to sharpen them. (The sharpening method used for the examples is 'unsharp masking'.)
The 3rd alternative shown is a scaling method Adobe introduced in 2013 with Photoshop CC, called 'Preserve Details'. (I suppose it's also based on bicubic interpolation internally, but I may be wrong.) The function has a single adjustment 'Reduce Noise' which was set to zero for the test because the pictures have very little noise only.
Example pictures to scale:
© Iryna Rasko | © Ekaterina Tsepova | © Snake81 |
Scaling, 200% | ||||||||||
Bicubic interpolation | Bicubic interpolation and sharpen | Photoshop Preserve Details | A Sharper Scaling |
Scaling, around 150% | ||||||||||
Bicubic interpolation | Bicubic interpolation and sharpen | Photoshop Preserve Details | A Sharper Scaling |
Scaling, around 200% | |||||||||
Bicubic interpolation | Bicubic interpolation and sharpen | Photoshop Preserve Details | A Sharper Scaling |
Scaling, around 250% | |||||||||
Bicubic interpolation | Bicubic interpolation and sharpen | Photoshop Preserve Details | A Sharper Scaling |
Scaling, around 300% | |||||||||
Bicubic interpolation | Bicubic interpolation and sharpen | Photoshop Preserve Details | A Sharper Scaling |
Digital Zoom
Small versions of whole pictures are probably not the most typical use case for image upscaling. Ideally, upscaling is the first geometric transformation, which means that the input still has the resolution of the camera. The next examples are details of pictures coming directly from the cam:
(These are critical details not random. Many other details don't show much difference between A.S.S. and a sharpened interpolation.)
Scaling, around 150% | ||||||||||
Bicubic interpolation | Bicubic interpolation and sharpen | Photoshop Preserve Details | A Sharper Scaling |
Scaling, around 200% | ||||||||||
Bicubic interpolation | Bicubic interpolation and sharpen | Photoshop Preserve Details | A Sharper Scaling |
Scaling, around 250% | ||||||||||
Bicubic interpolation | Bicubic interpolation and sharpen | Photoshop Preserve Details | A Sharper Scaling |
Scaling, around 300% | ||||||||||
Bicubic interpolation | Bicubic interpolation and sharpen | Photoshop Preserve Details | A Sharper Scaling |
Apart From Scaling
Although A Sharper Scaling does nothing but scaling images, it can also contribute to the quality of other geometric transformations like rotation, perspective correction, or lens distortion correction. Just upscale the image by a factor of x before the transformation and downscale it back by x after that. Whether this has a benefit or not depends on the image editor used and the type of transformation. (In the example, x was chosen to be 2. The image editor used was Adobe Photoshop CC 2015.)
Perspective Correction | ||||||||||
Image after perspective correction using an image editor | The same operation with A.S.S. as an intermediate step | Detail of the 1st enlarged | Detail of the 2nd enlarged |
Software
Specification | |
Supported source formats | JPEG, TIFF, PNG, BMP (color images only, 8 bits per channel only) |
Supported output formats | JPEG, TIFF, PNG |
Scaling factor | 50% to 400% |
Max source image size Max output image size | The tool has limitations in this regard because of the limited 32 bit address space. It's a complex combined limitation involving all parameters. For many use cases, that limitation should be far from being a problem. For example, the tool can scale a quarter of a 50 Megapixels image by 200%, resulting in another 50 Megapixels image. |
Alpha channel support | No. The alpha channel of the source image is ignored. Output is always without alpha channel. |
Bulk processing | Yes |
Command line | A command line tool is included in the download. |
Operating system | Microsoft Windows Vista¹, 7, 8, and 10 ¹For Windows Vista the .NET Framework 3.5 must be installed. |
License | Creative Commons by-nd (binaries only) |
Version: 1.2 |
Alternatively available: Mobile (zipped) version, no installation required
Version history:
1.2 (23-Apr-2017) | Bug when overwriting the file fixed. Explanation of sizing modes. |
1.1 (5-Nov-2016) | Improved handling of large images. An additional (4th) sizing mode. Metadata of source image is copied to output. Bulk processing. Command line usage possible. Settings are remembered. Processing speed improved. |
1.0 (1-Oct-2016) | First version. |
Free Scaling Software
FAQ
- When I try to run the installer, there's a malware alert from my security software or operating system. What does that mean? ››› Yes, that's because it's an obscure binary downloaded from the Internet. From the security point of view, such file is dangerous. You have to decide whether you trust me or not.
- What further development is planned? ››› Quality improvement: maybe. Speed improvement: unlikely. Support for 16 bits per channel: unlikely. A 64 bit version: unlikely. A MacOS version: out of reach. This is not a professional software. It's not based on the right technologies for performing fast, handling large data, supporting multiple platforms. I have to compromise, it's just a spare time project.
Developer
A Sharper Scaling is developed by | Steffen Gerlach Lange Sträucher 39, 63743 Aschaffenburg, Germany |
Legal Disclosure
Free Photo Scaling Software
See: legal disclosure. Ms paint windows 7 download.