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Top : Software : Graphics : Tools : Image Manipulation

A Beginner’s Introduction to Linux
Welcome to the wonderful world of Linux. You’ll embrace a plethora of free open source software, with more choices than you could possibly imagine. There are hundreds of actively-maintained Linux distributions, dozens of different desktop environments, and tens of thousands of open source applications covering the whole gamut: games, multimedia and graphics tools, internet apps, utilities, development environments, and much more.

(Read more)
Synaptic Package Manager
Synaptic is a graphical package management program for apt. It provides the same features as the apt-get command line utility with a GUI front-end based on Gtk+.


  • Showfoto
    Showfoto is a stand alone Photo Editor based on digiKam Image Editor. Showfoto is a part of digiKam project. It runs without digiKam images database support, but provides all image editor functions. hot
  • aaphoto
    Auto Adjust Photo tries to give a solution for the automatic color correction of photos. This means setting the contrast, color balance, saturation and gamma levels of the image by analization.
  • ALE
    ALE is an image-processing program used for tasks such as image mosaicking, super-resolution, deblurring, noise reduction, anti-aliasing, and scene reconstruction. Its principle of operation is synthetic capture, combining multiple inputs representing the same scene.
  • Almara Photo Editor
    Almara Photo Editor is a picture viewer/editor. It is intended mainly for quick and easy digital photos manipulation. Optimized for minimal amount of keypresses. Planned features include working with groups of pictures, undo/redo, Motion JPEG support.
  • Animmerger
    Animmerger stitches 2D images together into either a static image or an animation, while attempting to preserve a global frame of reference (static background).
  • ascompose
    ascompose is a tool to compose image(s) and display/save it based on supplied XML input file. ascompose reads supplied XML data, and manipulates image accordingly. It could transform images from files of any supported file format, draw gradients, render antialiased texturized text, perform superimposition of arbitrary number of images, and save images into files of any of supported output file formats.
  • AstroMosaic
    AstroMosaic is a small command line program to help the creation of a mosaic (a big image that is a collection of smaller images).
  • Auto Adjust Photo
    aaPhoto is a small command-line image manipulation tool that allows the user to quickly correct family photos. The goal is to make the picture seen better. The program does this by analyzing the input image and then sets the most optimal contrast / gamma and color balance for it.
  • autopano-sift
    autopano-sift provides a semiautomatic panorama generation using SIFT feature detection. Autopano-SIFT takes many images and outputs PTO files which describe control point matches between the images.
  • babysee
    babysee is a powerful image utility. It's not only an image viewer, but also an image convertor and image editor. Its plugin mechnism ensures the program's extensibility. It also has internationalization support.
  • Bulk Image Resizing Thing
    BIRT, the Batch Image Resizing Thing, is a simple application that allows a large number of images to be resized in one go. Obviously this is possible by scripting ImageMagick but it's usually somewhat easier with a GUI. It was created in order to learn how to develop using the Qt library, and to facilitate the maintenance of an online photo album where each hi-res photo needs a low-res copy and a thumbnail.
  • CinePaint
    CinePaint is an open source painting program used by motion picture studios to retouch images in 35mm films. It was formerly called Film Gimp. It has been used in a dozen feature films including Harry Potter, Scooby-Doo, and the Fast & the Furious. Read more
  • cmft
    cmft (cubemap filtering tool) is a cross-platform open-source command-line cubemap filtering tool. It reaches very fast processing speeds by utilizing both multi-core CPU and OpenCL GPU at the same time
  • Commuter
    A command line tool that creates image/photo mosaics from an image, i.e. a mosaic where every tile of the image is itself a smaller picture.
  • Cpsed
    Cpsed is a Linux OpenGL 3d scene editor. The GUI is built with QT library. It allows you to position, rotate and scale .3ds models saving the x,y,z coords in an ascii file. Support for .dff renderware model is provided of course.
  • CropGUI
    CropGUI is an open source graphical user interface for jpegtran, a command-line tool that performs various useful transformations of JPEG files. Read more
  • DaVinci Resolve
    (commercial) DaVinci Resolve is a full professional editing and color grading system that is suitable for independent users working on SD, HD and Ultra HD projects.
  • dbblast
    Dbblast (Dust bunny blaster) is a utility that automatically removes dust spots or "bunnies" from .jpg images taken with digital SLR's. It can be run in batch mode from either a GUI or from the command line.
  • delaboratory
    delaboratory is a color correction utility. It allows you to modify the color and contrast of a photo in a creative way, using curves, mixer, and blending in different colorspaces (RGB/BW, XYZ/LAB, CMY/CMYK, HSL/HSV) with floating-point precision.
  • DjVuSmooth
    DjVuSmooth is a graphical editor for DjVu documents.
  • dvipng
    dvipng chops pages of subpixel-accurate LaTeX previews into handy chunks (such as single formulas) placed right into your Emacs/XEmacs source buffer, and obliterating separate preview windows.
  • Enblend
    Enblend is a tool for compositing images. Given a set of images that overlap in some irregular way, Enblend overlays them in such a way that the seam between the images is invisible, or at least very difficult to see.
  • exrtools
    exrtools is a set of simple command-line utilities for manipulating with high dynamic range images in OpenEXR format. OpenEXR is a high dynamic-range (HDR) image file format developed by Industrial Light & Magic for use in computer imaging applications. exrtools was developed to help experiment with batch processing of HDR images for tone mapping. Each application is small and reasonably self-contained such that the source code may be of most value to others.
  • flimp
    flimp is a generic graphical frontend to the many excellent command line image manipulation tools available. It allows you to create pipelines of commands that read from standard input and write to standard output. One can view and compare the result of each stage of the pipeline.
  • Fotowall
    Fotowall is an opensource creative tool that lets you play with your pixels as you've ever wanted! Make the perfect arrangement with your photos, add text, live video from your webcam and the best internet pictures.
  • Fotoxx
    Fotoxx is a program for improving digital photos. It allows you to navigate through large image directories using a window of thumbnail images, create HDR (high dynamic range) images by combining bright and dark images to improve details visible in both bright and dark areas, create panoramas by joining overlapped images, adjust brightness and color intensity independently for different underlying brightness levels, reduce fog or haze by removing "whiteness" and intensifying colors, rotate an image (level a tilted image or turn 90 degrees), remove red-eyes from electronic flash photos, sharpen, resize, or crop images, reduce noise in low-light photos, change color depth, and stretch an image by dragging the mouse.
  • FX designer
    FX designer is a tool which helps you to create your own, new and original 2D-effects.
  • Geist
    Geist is an object/vector based image manipulation package. The idea of geist is to be able to lay out images, shapes etc, whilst supporting full RGBA colorspace.
  • Glimpse
    Glimpse is a image manipulation package, developed for novice users.It supports file formats like BMP,PCX and TGA of various color depth. The striking feature of GLIMPSE is that it requires very less amount of resources, as it can be run even in DOS.
  • GlobMoeSt
    GlobMoeSt (Global Motion eStimation) tries to construct one large picture from the individual frames of a camera pan (especially animated content). It supports arbitrary motion search ranges (limited by processing power), internal cropping and more.
  • Gmosaic
    Gmosaic is a simplistic program that will create a gray scale mosaic of an input image using either a specified image "tile" or a tile created from the input image itself. Each tile in the output image has its overall intensity adjusted to match the intensity of the corresponding pixel in the input image.
  • GRAW
    Ground Drawing Generator (GRAW) is a utility for generating perspective-deformed images.
  • grunch
    grunch is a package of scripts and software which can take a pair of side-by-side partial scans of an image, and merge them into a single image without leaving an obvious seam.
  • hugin
    hugin is an easy to use cross-platform GUI for Panorama Tools. With hugin you can assemble a mosiac of photographs into a complete immersive panorama, stitch any series of overlapping pictures and much more . Read more
  • Image rotator
    Image rotator can be used to automatically detect and rotate landscape/portrait photos from digital cameras.
  • imagelink
    imagelink is a collection of image editing and conversion command line utilities. It integrates the netpbm philosophy and it is meant to be used in conjunction with netpbm.
  • ImageSpace
    ImageSpace is a genetic image generator, that means it generates and mutates mathematical functions while the user's aesthetic perception is the fitness function, selecting an image which will be mutated.
  • ImageWorsener
    ImageWorsener is a cross-platform command-line utility and library for processing PNG, JPEG, BMP and WebP images. There is also partial support for GIF, TIFF, MIFF, and PPM/PGM/PBM/PAM formats. Read more
  • imgp
    imgp is a command line image resizer and rotator for JPEG and PNG images. It can resize (or thumbnail) and rotate thousands of images in a go, at lightning speed, while saving significantly on storage.
  • joinpic
    joinpic merges split images together either horizontally or vertically.
  • jpegextractor
    jpegextractor is a command line tool to extract JPEG streams from arbitrary files or standard input. jpegextractor has yet another approach, it uses the fact that valid binary JPEG streams start with the byte sequence ff d8 ff and end with ff d9. It copies all of those streams to new files. As jpegextractor simply looks for the two sequences it does not have to know the format of the encapsulating file and thus works with all formats that embed JPEG streams.
  • jpegpixi
    JPEG pixel interpolator: to interpolate pixels in JFIF images (commonly refered to as "JPEG images"). This is useful to correct images from a digital camera with CCD defects. For example, if one pixel is always bright green, this pixel can be interpolated away with jpegpixi.
  • KMorph
    KMorph is a morphing program for the K Desktop Environment.
  • MacroFusion
    MacroFusion is a small GUI for the command line tool Enfuse. It fuses multiple photos into one with greater DOF (Deep of Field) or DR (Dynamic Range). It can be useful for macro lovers or landscapers.
  • Neural Enhance
    Neural Enhance is a utility - super resolution for images using deep learning.
  • Noise Ninja
    (commercial) Noise Ninja is a solution for removing noise and grain from digital photographs and scanned film images. It is a useful tool for anyone shooting in low-light or fast-action situations -- including news, sports, wedding, and event coverage -- where high ISO photography is required and the resulting noise compromises the image. Noise Ninja often yields a two-stop improvement in effective image quality, while preserving important image detail. In addition, it can produce cleaner, smoother enlargements from low-ISO images.
  • OpenDroneMap
    OpenDroneMap is a tool to postprocess drone, balloon, kite, and street view data to geographic data including orthophotos, point clouds, & textured mesh.
  • palettejoin
    palettejoin joins the palettes of multiple 8-bit PNG images, generating one single palette and adapting the images to the new palette.
  • pfstools
    pfstools is a set of command line programs (and one GUI program) for reading, writing, manipulating, and viewing high-dynamic range (HDR) images and video frames. All programs in the package exchange data using Unix pipes and a simple generic HDR image format (pfs). It is meant to be similar to the netpbm package for low-dynamic range images. Note that pfs in not just another format for storing HDR images. It is more an attempt to integrate the existing HDR image formats by providing a simple data format that can be used to exchange data between applications. Read more
  • Photivo
    Photivo is a multi platform photo processor for RAW and bitmap images with 16 bit precision. Photivo tries to give the user as much control as possible to express his creativity and to allow flexible adjustments for the various needs in photography.
  • Photo Management Suite
    Photo Management Suite is an Open Source graphical Qt application written in C++ and licensed under the GNU General Public License which eases the process of renaming / sorting, rotating and resizing images from digital cameras. It also supports applying an overlay image.
  • Photoflow
    Photoflow is a fully non-destructive photo retouching program providing a complete workflow from RAW image development to printing.
  • Photomatix
    (commercial) Photomatix for Linux is a program separate from Photomatix Pro. Photomatix for Linux doesn't include the advanced features of Photomatix Pro, though it still offers more features than Photomatix Essentials, such as batch processing.
  • PhotoPnMTools
    PhotoPnMTools is a simple toolkit for processing photographic images using improved algorithms. It is based on Poskanzer's PPM toolkit. It contains resizing, sharpening, and contrast, saturation, and color balance filters.
  • Picture Grid
    Picture Grid allows you to stitch pictures into a random grid/puzzle/maze. PyGTK is required.
  • Picwiz
    Picwiz is a simple picture resizing wizard that is meant to be called from a Konqueror context menu. It allows batch resizing of any number of files to standard sizes (640x480, 800x600 ...) in three or four mouse clicks.
  • Pimagizer
    Pimagizer resize images using a simple interface written with Python and GTK+3.
  • Pixel
    (commercial) Pixel is a RGB, CMYK and HDR image editing, photo retouching, graphics manipulating and animation program available for many operating systems including Linux. It has been developed since 1997. Read more
  • Pixeluvo
    Pixeluvo is a beautifully designed image and photo editor for PC and Linux. From simple photo cropping and resizing to complex image manipulation with multiple adjustment layers and masks, Pixeluvo can handle just about all your day-to-day image editing requirements. With its high quality toolset and attention to detail this is software that is simply a pleasure to use.
  • pngnq
    pngnq is a tool for quantizing PNG images in RGBA format. It is an adaptation of pnqquant using the neuquant algorithm. Read more
  • PngOptimizerCL
    PngOptimizerCL is a command line utility that optimizes and cleans PNG files of redundant or incorrect information. It reduces the space taken by PNGs. It converts GIF, BMP and TGA files to optimized PNG files. There is also support for animated PNG files.
  • pngquant
    pngquant is a command-line utility to quantize and dither 32-bit RGBA PNGs down to 8-bit (or smaller) RGBA-palette PNGs, usually with a significant reduction in file size. Read more
  • pnmstitch
    pnmstitch allows you to automatically stitch, transform, blend, and crop two pnm images together. It supports low overlap, high resolution Digital Camera images, primarily with a focus on heuristics to improve the quality of the match.
  • PosteRazor
    The PosteRazor cuts a raster image into pieces which can afterwards be printed out and assembled to a poster.
  • potrace
    potrace is a utility for tracing a bitmap, which means, transforming a bitmap into a smooth, scalable image. The input is a bitmap (PBM, PGM, PPM, or BMP format), and the default output is an encapsulated PostScript file (EPS). A typical use is to create EPS files from scanned data, such as company or university logos, handwritten notes, etc. The resulting image is not "jaggy" like a bitmap, but smooth. It can then be rendered at any resolution. potrace can currently produce the following output formats: EPS, PostScript, PDF, SVG (scalable vector graphics), Xfig, Gimppath, and PGM (for easy antialiasing). Read more
  • potracegui
    potracegui is a GUI interface for potrace, a great program for tracing bitmapped images.
  • ppmcaption
    ppmcaption adds text to images. Multiple blocks of text can be placed on the image, with varying fonts, font sizes, colors, and transparency.
    PRICE can open several file formats and apply high quality filters and other enhancements to the image.
  • Qtpfsgui
    Qtpfsgui is a graphical user interface that enables users to work on HDR images. Supported operations include: creations of a HDR file from a set of images of a scene taken at different exposure settings, tone-mapping an HDR image into a common LDR image format (e.g JPEG or PNG), and loading, saving, and rotating existing HDR images. In some ways, the program is a open source clone of Photomatix.
  • QuikKopy
    QuikKopy is an image copying utility written in Perl. It makes use of the graphics library ImageMagick to allow image manipulation to be applied in bulk to multiple images.
  • Rendera
    Rendera is an open-source painting package, with an emphasis on photo restoration, but also works well for other artistic requirements.
  • RPhoto
    RPhoto is a small software aiming at the easy handling of digital camera's photos. Its origin resides in the lack of a simple software capable of cropping photos with a constant ratio, to avoid white borders when printing.
  • Scale2x
    Scale2x is real-time graphics effect able to increase the size of small bitmaps guessing the missing pixels without interpolating pixels and blurring the images. It was originally developed for the AdvanceMAME project in the year 2001 to improve the quality of old games with a low video resolution. Derivative Scale3x and Scale4x effects which scale the image of 3x and 4x are also available.
  • Scan Tailor
    Scan Tailor is an interactive post-processing tool for scanned pages. It performs operations such as page splitting, deskewing, adding/removing borders, and others.
  • SDSC Image Tools
    The San Diego Supercomputer Center (SDSC) Image Tools are programs that allow for command line manipulation of images, and conversion between image formats. There are 24 different tools, each of which support 30 different image file formats.
  • SeBIE
    Semi-Batched-Image-Editor: input filename selection via regular expressions, create output filename via regular expression and substitution, select image details with a given proportion, scale to a given output format when saving, and apply some color correction.
    SINFG is a flexible resolution-independent image manipulation package, which allows you to create a wide variety of images including fractals and vector graphics. It consists primarily of two programs: SINFG Studio and SINFG Tool.
  • SmillaEnlarger
    SmillaEnlarger is an easy-to-use digital photo-enlarger: choose a region of the original image, select a zoom factor (or width/height of the result), and calculate the picture.
  • Stamp
    STAMP is an image time stamp program released under the GNU Public License. It places customizable text messages (such as dates, times, or witty quotes) as color strings onto JPEG images.
  • SVGSlice
    SVGSlice is a plugin for the vector graphics program, Inkscape, which allows a high-quality SVG image to be directly sliced into bitmap graphics for a website. It does this using Inkscape's built-in layers and rectangles, so that you can visually draw where you want slicing to be done, directly from within the program.
  • thumbnail
    thumbnail resizes images down to a maximum of 10,000 pixels (equivalent to a 100x100 image), so that each thumbnail has the same amount of detail, reguardless of its dimensions.
  • Tint Photo Editor
    Tint Photo Editor is a photo editor for colour-select effects. It automatically clusters the colours of a photo into groups, and allows each colour to be switched on or off to create the desired effect.
  • TkPNG
    This package implements support for loading and using PNG images with Tcl/Tk.
  • Transparency
    Transparency is a tool for special, typical tasks performed on transparent PNGs, especially in the context of the WWW when you finally want GIFs instead of PNGs.
  • Trimage
    Trimage is a cross-platform GUI and command-line interface to optimize image files via optipng, pngcrush, advpng and jpegoptim, depending on the filetype (currently, PNG and JPG files are supported).
  • UIM
    UIM stands for 'UNIX Image Manager'. It is an attempt of bringing the AIM ('Atari Image Manger') to the UNIX world. With UIM one can resize and filter images. One can also multiply, add, etc. etc. images with other images or a given value. UIM is meant for advanced image processing.
  • Urban Lightscape
    Urban Lightscape is a photo filter for exposure correction, localized brightness adjustments, dodging and burning, and the introduction of synthetic lighting to a photo.
    VICAR (Video Image Communication And Retrieval) is a general purpose image processing software system that has been developed since 1966 to digitally process multi-dimensional imaging data.
  • VideoOrbits
    VideoOrbits is a collection of programs for creating high dynamic range images.
  • VIPS
    VIPS is a free image processing system. It aims to be about half-way between Photoshop and Excel: it is very bad at retouching photographs, but very handy for the many other imaging tasks that programs like Photoshop get used for. It is good with large images (images larger than the amount of RAM in your machine), and for working with colour. Read more
  • VRPE
    VRPE is a small gtk2-gui project to process multiple single image files using ImageMagick, mplayer and transcode.
  • xacte
    An interactive X window program which may be used to create and edit groups of colors.
  • Xenomorph Image Processor
    Xenomorph Image Processor provides a unified concept of polynomial and morphologic image filters. It is built for precision, not for speed, that means it works in floating-point mode internally.
  • Yoltia
    Yoltia is a computer program for editing image files. It provides the functionality to do simple changes to a large number of pictures quickly and very comfortably and exactly. It can read and write PNG, XPM, BMP, and in most cases JPEG (depends on the Qt library).

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