Browse free open source Image Converters and projects below. Use the toggles on the left to filter open source Image Converters by OS, license, language, programming language, and project status.

  • Claims Processing solution for healthcare practitioners. Icon
    Claims Processing solution for healthcare practitioners.

    Very easy to use for medical, dental and therapy offices.

    Speedy Claims became the top CMS-1500 Software by providing the best customer service imaginable to our thousands of clients all over America. Medical billing isn't the kind of thing most people get excited about - it is just a tedious task you have to do. But while it will never be a fun task, it doesn't have to be as difficult or time consumimg as it is now. With Speedy Claims CMS-1500 software you can get the job done quickly and easily, allowing you to focus on the things you love about your job, like helping patients. With a simple interface, powerful features to eliminate repetitive work, and unrivaled customer support, it's simply the best HCFA 1500 software available on the market. A powerful built-in error checking helps ensure your HCFA 1500 form is complete and correctly filled out, preventing CMS-1500 claims from being denied.
  • The future of PSA-RMM software for MSPs Icon
    The future of PSA-RMM software for MSPs

    Still using outdated MSP tools? Time to move on

    SuperOps.ai is the only PSA-RMM platform powered by intelligent automation and thoughtfully crafted for the new-age MSP. The platform also helps MSPs manage their projects, clients, and IT documents from a single place.
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    libjpeg-turbo

    libjpeg-turbo

    SIMD-accelerated libjpeg-compatible JPEG codec library

    libjpeg-turbo is a JPEG image codec that uses SIMD instructions (MMX, SSE2, NEON, AltiVec) to accelerate baseline JPEG compression and decompression on x86, x86-64, ARM, and PowerPC systems. On such systems, libjpeg-turbo is generally 2-6x as fast as libjpeg, all else being equal. On other types of systems, libjpeg-turbo can still outperform libjpeg by a significant amount, by virtue of its highly-optimized Huffman coding routines. In many cases, the performance of libjpeg-turbo rivals that of proprietary high-speed JPEG codecs. libjpeg-turbo implements both the traditional libjpeg API as well as the less powerful but more straightforward TurboJPEG API. libjpeg-turbo also features colorspace extensions that allow it to compress from/decompress to 32-bit and big-endian pixel buffers (RGBX, XBGR, etc.), as well as a full-featured Java interface.
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    Downloads: 60,397 This Week
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  • 2
    LIBPNG: PNG reference library
    Reference library for supporting the Portable Network Graphics (PNG) format.
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    Downloads: 105,083 This Week
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  • 3
    Hugin

    Hugin

    Panorama photo stitcher

    With Hugin you can assemble a mosaic of photographs into a complete immersive panorama, stitch any series of overlapping pictures and much more.
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    Downloads: 4,417 This Week
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  • 4
    SageThumbs

    SageThumbs

    Powerful Windows shell extension allowing to preview images.

    SageThumbs is a powerful shell extension allowing to preview enormous amount of image formats directly in Windows Explorer by using Pierre-e Gougelet's GFL library (XnView's author). Please read carefully the following information: As SageThumbs is a Windows Explorer context menu extension, there is no an executable file that you should launch to bring it up. To use it, just open any folder with image files in Windows Explorer, and then right-click a file you want to preview. You'll see the thumbnail immediately in the context menu. System Requirements: * Windows XP/2003/Vista/2008/7/2012/8/8.1 32/64-bit * About 5 Mb of disk space + additional space for cache
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    Downloads: 4,971 This Week
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  • Innovate faster with enterprise-ready generative AI—enhanced by Gemini Icon
    Innovate faster with enterprise-ready generative AI—enhanced by Gemini

    Build, deploy, and scale machine learning (ML) models faster, with fully managed ML tools for any use case.

    Vertex AI offers everything you need to build and use generative AI—from AI solutions, to Search and Conversation, to 130+ foundation models, to a unified AI platform.
  • 5

    GraphicsMagick

    Swiss army knife of image processing

    GraphicsMagick provides a set of commandline tools and programming APIs for manipulating, editing, and converting raster and vector images. It is derived from ImageMagick, with the objective of providing better stability and performance than ImageMagick while retaining the original MIT/X11 license.
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    Downloads: 2,569 This Week
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  • 6
    FreeImage is a library project for developers who would like to support popular graphics image formats (PNG, JPEG, TIFF, BMP and others). Some highlights are: extremely simple in use, not limited to the local PC (unique FreeImageIO) and Plugin driven!
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    Downloads: 2,261 This Week
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  • 7
    The Animated Portable Network Graphics (APNG) is an unofficial extension of the Portable Network Graphics (PNG) format. APNG patch provides APNG support to libpng.
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    Downloads: 3,313 This Week
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  • 8
    converseen

    converseen

    A batch image converter and resizer

    Converseen is a free cross-platform batch image processor for Windows, Linux, macOS, FreeBSD, and other operating systems. It allows you to convert, resize, rotate, and flip an infinite number of images with a single mouse click. Moreover, Converseen can convert an entire PDF document into a set of images with your preferred characteristics. You can choose from over 100+ formats, set the size, resolution, and the filename. Thanks to ImageMagick, the powerful image manipulation library, Converseen can handle more than 100 image formats, including DPX, EXR, GIF, JPEG, JPEG-2000, PNG, SVG, TIFF, WebP, HEIC/HEIF, and many others. Converseen is designed to be user-friendly, fast, practical, and best of all, it’s available for free!
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    Downloads: 748 This Week
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  • 9
    Provides optical character recognition (OCR) solutions for Vietnamese language.
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    Downloads: 766 This Week
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  • Qrvey allows SaaS companies to create richer products and bring them to market faster Icon
    Qrvey allows SaaS companies to create richer products and bring them to market faster

    Our pre-built javascript widgets make it a snap to embed charts, reports and dashboards right into your app

    Qrvey is a low code embedded analytics platform built to help SaaS providers by simplifying the process of putting analytics tools in the hands of all users as fast as possible.
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    Developer's Image Library

    A full featured cross-platform image library

    Developer's Image Library (DevIL) is a cross-platform image library utilizing a simple syntax to load, save, convert, manipulate, filter and display a variety of images with ease.
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    Downloads: 587 This Week
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  • 11
    Ascii Generator 2
    Ascii Generator 2 (Ascgen2) is an application to convert images into high quality ASCII art - text that accurately represents the original image. The only program of its kind to support variable width fonts and real-time output adjustment and more.
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    Downloads: 540 This Week
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  • 12
    Mass Image Compressor

    Mass Image Compressor

    High Quality Batch Image Compression of JPEG, PNG and Raw formats.

    Mass Image Compressor is easy to use - a point and shoot batch image compressor and converter tool for Web site optimization, photographers, HTML game creator and casual Windows users. MassImageCompressor reduces considerable (>90%) image size by user selected dimensions and quality parameters. Reduce all images in a folder (and optionally sub-folders) with just single click. Mass Image Compression for webpages, email or storage on mobile device was never this easy! All image Metadata (EXIF Tags) are preserved.
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    Downloads: 543 This Week
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  • 13

    OptiPNG

    Advanced PNG optimization program

    OptiPNG is a PNG optimizer that recompresses image files to a smaller size, without losing any information. This program also converts external formats (BMP, GIF, PNM and TIFF) to optimized PNG, and performs PNG integrity checks and corrections.
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    Downloads: 490 This Week
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  • 14
    APNG Assembler

    APNG Assembler

    Creates APNG animation from PNG/TGA image sequence.

    Creates highly optimized Animated PNG files from PNG/TGA image sequences. CLI versions available for all major OSes. GUI versions for Windows and macOS. Also, APNG Disassembler can be found at http://sourceforge.net/projects/apngdis
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    Downloads: 496 This Week
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  • 15
    Plot Digitizer
    An easy to use Java program that allows you to digitize data points off of scanned plots, scaled drawings, or orthographic photographs. Includes an automatic digitization feature that can automatically digitize many types of functional data.
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    Downloads: 468 This Week
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  • 16
    OpenCTM
    OpenCTM is a file format, a software library and a tool set for compression of 3D triangle meshes. The geometry is compressed to a fraction of comparable file formats (3DS, STL, COLLADA...), and the format is accessible through a simple, portable API
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    Downloads: 2,303 This Week
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  • 17
    Luminance HDR

    Luminance HDR

    Complete solution for HDR photography

    Luminance HDR is a complete suite for HDR imaging workflow. It provides a wide range of functionalities, during both the fusion stage and the tonemapping stage. Its graphical user interface, based on Qt5, runs on a variety of platforms, such as Microsoft Windows, Mac OS X 10.9 and later and several Unix flavors (Linux, FreeBSD and others). Input images can be supplied in multiple formats, from JPEG to RAW files. In the same way, output can be saved in many different formats as well, from JPEG to TIFF (both 8 bit and 16 bit per channel), enabling all the power of your post processing tools.
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    Downloads: 359 This Week
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  • 18
    lcd-image-converter

    lcd-image-converter

    Tool to create bitmaps and fonts for embedded applications.

    This program allows you to create bitmaps and fonts, and transform them to "C" source format for embedded applications. The transformation of the images to the source code is made by using templates. Therefore, by modifying the templates, you can change the format of the output within certain limits.
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    Downloads: 648 This Week
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  • 19
    tesseract-ocr alternative download

    tesseract-ocr alternative download

    Alternative download for tesseract-ocr project

    Alternative download for tesseract-ocr project
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    Downloads: 1,611 This Week
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  • 20
    UFRaw
    The UFRaw (Unidentified Flying Raw) is a tool for reading and manipulating raw images from digital cameras. It supports most of the existing raw formats (any format supported by DCRaw). UFRaw can be used on its own or as a Gimp plug-in.
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    Downloads: 245 This Week
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  • 21
    9-Patch-Resizer

    9-Patch-Resizer

    A resizer tool for png files and 9 patches in several densities

    9-Patch-Resizer is a resizer tool that automatically resizes png files and 9 patches in several densities. No longer do you have to struggle with densities for Android, especially when dealing with 9 patch png. 9-Patch-Resizer takes an xhdpi PNG file, or 9.png file, and generates ldpi, mdpi and hdpi png files fast and easy.
    Downloads: 10 This Week
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  • 22
    Fabric.js

    Fabric.js

    Javascript Canvas Library and SVG-to-Canvas Parser

    Fabric.js is a simple yet powerful Javascript HTML5 canvas library that allows you to easily work with HTML5 canvas element in various ways. It is also an SVG-to-canvas (and vice versa) parser. Fabric provides an interactive object model on top of canvas element, so you can create and populate objects on canvas; manipulate the size, position and rotation of these objects; modify properties such as color, transparency and more. You could also group these objects together with just a simple mouse selection. Fabric offers support for touch devices, as well as Node.js support. It currently supports the following browsers: Firefox 2+, Safari 3+, Opera 9.64+, Chrome (all versions), IE10, IE11, and Edge.
    Downloads: 10 This Week
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  • 23
    Fonts and font metrics customarily distributed with Ghostscript. Currently includes the 35 standard PostScript fonts and a grab-bag of others.
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    Downloads: 632 This Week
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  • 24
    Waifu2x-Extension-GUI

    Waifu2x-Extension-GUI

    Photo/Video/GIF enlargement using machine learning

    Image & GIF & Video Super-Resolution using Deep Convolutional Neural Networks. Built-in image processing algorithm: Waifu2x / SRMD / RealSR / Anime4K / ACNet Built-in image processing engine: Waifu2x-caffe / Waifu2x-converter / Waifu2x-ncnn-vulkan / SRMD-ncnn-vulkan / RealSR-ncnn-vulkan / Anime4KCPP Github: https://github.com/AaronFeng753/Waifu2x-Extension-GUI
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    Downloads: 1,061 This Week
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  • 25
    BRL-CAD

    BRL-CAD

    Open Source Solid Modeling CAD

    BRL-CAD is a powerful cross-platform constructive solid geometry solid modeling system that includes an interactive geometry editor, ray-tracing for rendering & geometric analyses, network distributed framebuffer support, image & signal-processing tools.
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    Downloads: 207 This Week
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Guide to Open Source Image Converters

Open source image converters are applications designed to help users convert images from one file format to another. They are typically free and open source, meaning that anyone can use the software for their own needs without needing to purchase a license. Open source image converters are often preferred over commercial software because they tend to be less expensive, more customizable, and more secure.

The most common type of open source image converter is an online application, which allows users to upload a file in one format and then select the desired output format. The user will then receive the converted file in the selected output format, usually within seconds or minutes. Many online conversion applications also allow users to edit or manipulate the original file before downloading it in its new format. Examples of popular open source online conversion applications include Pixlr Editor, GIMP Online, ImageMagick Online and Canva’s Image Converter.

Open source desktop applications can also be used for converting images from one format to another. These programs typically offer more customization options than their online counterparts, but may require a higher level of technical knowledge on the part of the user to configure them correctly. Popular examples include GIMP (GNU Image Manipulation Program), Inkscape (vector graphics editor), IrfanView (image viewer) and Paint .NET (image editor).

In addition to these desktop-based tools, some operating systems come with built-in tools for converting images from one format to another without requiring additional installations or configurations. For example, Mac OS X includes Automator Actions which make it easy for users to quickly select an image in one format and save it as another using just a few clicks; while Microsoft Windows offers built-in support for automatically resizing or compressing images through its Explorer context menu functionality.

Overall, open source image converters provide a great way for users who need basic conversion tools without needing complex customization capabilities or paying hefty fees for commercial software licenses. Plus, since most of these apps are available as completely free downloads online – there is no need to pay out any money at all.

Features of Open Source Image Converters

  • Batch Conversion: Open source image converters often offer the ability to batch convert multiple images at once, using a variety of file formats. This is especially useful for quickly converting large collections of photos into a common format.
  • Image Manipulation: Most open source image converters will allow users to crop, resize, and rotate their images prior to conversion. This feature allows users to easily adjust the size and aspect ratio of an image, as well as remove any unwanted portions from the original image.
  • Color Enhancing Tools: Many open source image converters come with color enhancing tools that can be used to brighten or darken specific areas of an image. These tools can also be used to adjust contrast and hue levels in photos, which can help improve the overall visual quality.
  • Watermarking: Some open source converters provide watermarking capabilities so users can add text or images to their photos prior to conversion. This allows users to brand their images or protect them from being reused without permission.
  • File Compression: Many open source image converters come with built-in file compression capabilities, allowing users to reduce the size of their images without sacrificing quality. This is especially helpful when sending large files over email or uploading them online.

What Types of Open Source Image Converters Are There?

  • Raster Image Converters: These open source image converters specialize in files with fixed resolutions, such as JPEG, BMP, and TIFF. They resize, rotate and add effects to existing photos while preserving the original file’s quality.
  • Vector Image Converters: These programs are used to convert bitmap images into vector images. They allow users to adjust the size of an image without losing its sharpness or clarity.
  • Animation Toolkits: Animation toolkits provide users with a range of tools for creating and manipulating animations. These open source programs can be used for 3D modeling and frame-by-frame animation sequences.
  • Raw Image File Editors: Raw image editors are used to modify and manipulate camera raw files such as CR2 or NEF formats from various digital cameras. It offers features like white balance correction, color adjustment, exposure control, retouching capabilities and much more.
  • Video Editing Software: Open source video editing software allows users to create custom videos from separate clips by adding effects or by combining multiple video streams into one single project for further editing.
  • Photo Manipulation Software: This type of program provides a wide variety of tools that enable users to edit their images essentially in any way they want through photo manipulation techniques like cropping, resizing and adjusting colors plus filters that can drastically alter the look of photos by making them appear aged or stylised in certain ways.

Open Source Image Converters Benefits

  1. Cost: One of the biggest benefits of open source image converters is that they are usually free. This helps you save money on software and allows you to use the converter without spending a dime.
  2. Customizability: Open source image converters often have many customizable features, allowing users to tailor their experience to suit their needs. This means that you can choose which settings will best suit your requirements and change them as necessary.
  3. Support: Open source image converters typically come with user manual or support forum. With these resources, users can find answers to any questions they may have quickly and easily instead of having to contact customer service or technical support personnel.
  4. Security: Open source image converters are more secure than proprietary ones; this is because they undergo rigorous testing by a community of developers who ensure that the code remains secure and bug-free. As such, open source converters provide greater security against malicious attacks.
  5. Cross-Platform Compatibility: Most open source image converters are designed in such a way that they can be used across multiple platforms without any difficulty, saving time when it comes to conversion between formats from different operating systems or devices.

Types of Users That Use Open Source Image Converters

  • Hobbyists: Individuals who use open source image converters for personal projects, such as making memes or designing graphics for social media.
  • Professionals: Designers and other professionals who use open source image converters to manipulate photos and graphics for work purposes.
  • Students: College and high school students who use convertors to prepare images for presentations and reports.
  • Researchers: Academic researchers who need to prepare images from various sources into a consistent format for analysis.
  • Businesses: Companies that need an easy way to convert and optimize photos, logos, diagrams, etc., without breaking the bank.
  • Web Developers & Designers: Professionals in this field who need a reliable tool to export their graphics in multiple formats.
  • Video Editors & Producers: Creatives in the industry who require image conversion services when producing videos and films.
  • Photographers & Artists: Individuals in these fields who may want to quickly process large batches of pictures or artwork using open source software tools.

How Much Do Open Source Image Converters Cost?

Open source image converters are available for free. They can be downloaded at no cost, which means that anyone can use them without having to pay anything. Most open source image converters are quite easy to use and offer a wide range of features. They allow you to convert images from one format to another, resize images, add effects, adjust colors, and more. Some advanced options may require additional plugins or software packages but all of the basic tools are available for no charge. Open source image converters have become popular among both professionals and hobbyists alike since they provide an excellent way to create professional-looking results without spending a lot of money.

What Software Do Open Source Image Converters Integrate With?

Software that can integrate with open source image converters includes photo and video editing software, file transfer programs, presentation software, web browsers, media players, and document management systems. Photo and video editing software can be used to make changes and adjustments to images before conversion. File transfer programs can facilitate the upload of images for conversion purposes. Presentation software often allows for the display of converted images in a slideshow format. Web browsers are necessary for accessing and downloading open source image converters that are available online. Media players allow users to view converted images quickly without having to navigate through their entire computer's files directory structure. Document management systems are helpful for organizing converted images and making them easily accessible when needed.

Open Source Image Converters Trends

  1. Increased Accessibility: Open source image converters have become increasingly accessible, allowing users to easily convert images between various formats. This has made them popular among users who need to quickly convert images for professional and personal use.
  2. Improved Performance: Open source image converters have improved performance in terms of speed and accuracy, allowing users to quickly and accurately convert their images with little effort.
  3. Advanced Features: Open source image converters often come with a range of additional features such as image editing tools and batch processing capabilities, which makes them more useful for various tasks.
  4. Compatibility: Open source image converters are generally compatible with a wide range of operating systems, making them easy to use for most users.
  5. Cost-Effective: As open source image converters do not require payment for licenses or subscription fees, they are generally much more cost-effective than other commercial software solutions.

How Users Can Get Started With Open Source Image Converters

Getting started with open source image converters is easy. First, you'll need to download the converter of your choice. Popular open source image converters include GIMP and Paint.net. Once you've downloaded the program, you can launch it on your computer and get started.

Before you start converting images, it's important to make sure that the program is set up correctly. This includes making sure that all of the plugins are correctly installed and that any preferences or settings are adjusted for your particular needs. You should also take some time to familiarize yourself with the user interface and any available features, since this will help make using the converter easier in the future.

Once your image converter is all set up and ready to go, it’s time to start converting. To do this, open an image file from its folder location or by simply dragging and dropping it into the application window. The program will likely prompt you for an output format—just choose whichever one best suits your project needs. Depending on which type of conversion you're doing (e.g., raster to vector), there may be additional settings options available; if so, make sure they're set in line with your project before proceeding with the conversion process itself.

When everything looks good, hit ‘convert’—your converted image should then be saved in its new format in a folder specified by you or automatically determined by the program itself; if not specified by either of those two methods, be sure to locate a suitable destination before hitting 'convert' to avoid confusion later. And that's it—you're now ready to use open source image converters.