i-Tools.Online Alternatives

i-Tools.Online is described as 'Free and powerful online image toolkit. Can convert your image format, resize image size, generate QR code, crop image, etc' and is an app in the photos & graphics category. There are more than 25 alternatives to i-Tools.Online for a variety of platforms, including Web-based, Mac, Windows, Linux and SaaS apps. The best i-Tools.Online alternative is OptiImage, which is both free and Open Source. Other great apps like i-Tools.Online are ImageOptim, TinyPNG, PNGGauntlet and MAZANOKE.

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i-Tools.Online alternatives are mainly Image Optimizers but may also be File Compressors or Image Converters.  Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of i-Tools.Online.
i-Tools.Online iconi-Tools.Online
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Free and powerful online image toolkit. Can convert your image format, resize image size, generate QR code, crop image, etc.

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i-Tools.Online alternatives page was last updated Mar 27, 2025
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Alternatives
  1. OptiImage icon

    OptiImage

     10 likes
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    Optimize PNG, JPEG, WebP, and SVG images efficiently with flexible lossless and lossy compression modes, metadata control, and safe mode to avoid data loss, using tools like oxipng, jpegoptim, scour, and cwebp, enhancing image storage and load efficiency.

    53 OptiImage alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Linux
    • Flathub
    • Flatpak
    OptiImage screenshot 1

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  No Tracking
    2.  No registration required
    3.  Ad-free
    4.  Works Offline
    5.  PNG Compression

    OptiImage VS i-Tools.Online

     

    • OptiImage is the most popular Linux alternative to i-Tools.Online.

    • OptiImage is the most popular Open Source & free alternative to i-Tools.Online.

    • OptiImage is Free and Open Sourcei-Tools.Online is Free and Proprietary
    • OptiImage is Privacy focused and Lightweighti-Tools.Online is not according to our users
  2. ImageOptim icon

    ImageOptim

     93 likes
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    ImageOptim is excellent for publishing images on the web (easily shrinks images “Saved for Web” in Photoshop). It's useful for making Mac and iPhone/iPad applications smaller (if you configure Xcode to allow better optimization).

    93 ImageOptim alternatives

    License model

    • Free Personal • Open Source

    Application types

    Country of Origin

    • PL flagPoland
    • European Union flagEU

    Platforms

    • Mac
    • Software as a Service (SaaS)
    ImageOptim screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Lossless Compression
    2.  PNG Compression
    3.  Lossless quality
    4.  Remove EXIF Data
    5.  Batch Editing
    6.  Ad-free
    7.  Works Offline
    8.  Support for GIF
    9.  Support for Multiple threads
    10.  PNG Optimization
    11.  Support for SVG
    12.  Remove metadata

    ImageOptim VS i-Tools.Online

     

    • ImageOptim is the most popular Mac & SaaS alternative to i-Tools.Online.

    • ImageOptim is Free Personal and Open Sourcei-Tools.Online is Free and Proprietary
    • ImageOptim is Lightweighti-Tools.Online is not according to our users
  4. TinyPNG icon

    TinyPNG

     23 likes
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    Using advanced lossy compression, TinyPNG reduces PNG file sizes by 50-80%, preserving full transparency and minimizing quality loss. Ideal for web designers, it increases website speed, saves bandwidth, and offers tools like a Photoshop plugin and API for seamless integration.

    88 TinyPNG alternatives

    License model

    • Freemium • Proprietary

    Application type

    Country of Origin

    • NL flagNetherlands
    • European Union flagEU

    Platforms

    • Online
    • Adobe Photoshop
    • Wordpress
    TinyPNG screenshot 1

    TinyPNG Features

    1.  PNG Compression
    2.  PNG Optimization
    3.  Web-Based

    TinyPNG VS i-Tools.Online

     

    • TinyPNG is the most popular Web-based alternative to i-Tools.Online.

    • TinyPNG is Freemium and Proprietaryi-Tools.Online is Free and Proprietary
  5. PNGGauntlet icon

    PNGGauntlet

     32 likes
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    -Combines PNGOUT, OptiPNG, and DeflOpt to create the smallest PNGs -No image quality is lost — only file size -Converts JPG, GIF, TIFF, and BMP files to PNG -Ultra-configurable

    PNGGauntlet is a .NET program that uses Ken Silvermans PNGOUT, OptiPNG and DeflOpt to optimize PNG fil.

    57 PNGGauntlet alternatives

    License model

    • Free • Proprietary

    Application types

    Platforms

    • Windows
    PNGGauntlet screenshot 1

    PNGGauntlet Features

    1.  Works Offline
    2.  Lossless Compression
    3.  PNG Optimization
    4.  Optimization
    5.  PNG Compression
    6.  Image Processing

    PNGGauntlet VS i-Tools.Online

     

    • PNGGauntlet is the most popular Windows alternative to i-Tools.Online.

    • PNGGauntlet is Free and Proprietaryi-Tools.Online is also Free and Proprietary
  6. MAZANOKE icon

    MAZANOKE

     2 likes
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    MAZANOKE is a simple image compressor and converter that runs entirely in your browser. No external uploads, works offline as a web app, and is powered by Browser Image Compression.

    50 MAZANOKE alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Self-Hosted
    • Docker
    MAZANOKE screenshot 1

    Properties

    1.  Privacy focused

    Features

    1.  Works Offline
    2.  No Tracking
    3.  Dark Mode
    4.  Ad-free
    5.  Progressive Web App
    6.  WebP Convert
    7.  WEBP Support

    MAZANOKE VS i-Tools.Online

     

    • MAZANOKE is the most popular Self-Hosted alternative to i-Tools.Online.

    • MAZANOKE is Free and Open Sourcei-Tools.Online is Free and Proprietary
    • MAZANOKE is Privacy focusedi-Tools.Online is not according to our users
  7. OptiPNG icon

    OptiPNG

     20 likes
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    OptiPNG is a command-line 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.

    47 OptiPNG alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux

    OptiPNG Features

    1.  Command line interface
    2.  Image Processing
    3.  Optimization
    4.  PNG Optimization
    5.  PNG Compression

    OptiPNG VS i-Tools.Online

     
  9. JPEGmini icon

    JPEGmini

     22 likes
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    JPEGmini is a patent-pending photo recompression technology, which significantly reduces the size of photographs without affecting their perceptual quality. The technology works in the domain of baseline JPEG, resulting in files that are fully compatible with any browser, photo...

    69 JPEGmini alternatives

    License model

    Application types

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Mac
    • Windows

    JPEGmini Features

    1.  Reduce size

    JPEGmini VS i-Tools.Online

     

    • JPEGmini is the most popular commercial alternative to i-Tools.Online.

    • JPEGmini is Paid and Proprietaryi-Tools.Online is Free and Proprietary
  10. Minuimus icon

    Minuimus

     5 likes
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    Minuimus is a file optimizer utility script: You point it at a file, and it makes the file smaller without compromising the file contents.

    76 Minuimus alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Windows
    • Linux

    Minuimus Features

    1.  PDF compression
    2.  Image Processing
    3.  Lossless Compression
    4.  PNG Compression
    5.  PNG Optimization
    6.  Batch processing

    Minuimus VS i-Tools.Online

     
  11. ImageMinify icon

    ImageMinify

     1 like
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    Transform your images from MB to KB effortlessly with ImageMinify! Created by a dedicated developer, this user-friendly app compresses image files while maintaining their quality, making it perfect for anyone looking to reduce file size without sacrificing clarity.

    51 ImageMinify alternatives

    License model

    • Free • Proprietary

    Application types

    Platforms

    • Android
    ImageMinify screenshot 1
    ImageMinify screenshot 2
    ImageMinify screenshot 3

    ImageMinify Features

    1.  No registration required
    2.  Works Offline
    3.  PNG Compression
    4.  Lossless Compression

    ImageMinify VS i-Tools.Online

     

    • ImageMinify is the most popular Android alternative to i-Tools.Online.

    • ImageMinify is Free and Proprietaryi-Tools.Online is also Free and Proprietary
  12. iLoveIMG icon

    iLoveIMG

     3 likes
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    iLoveIMG is an online service to work with images completely free and easy to use. Compress images, resize, crop, convert and much more!.

    43 iLoveIMG alternatives

    License model

    • Freemium • Proprietary

    Application types

    Platforms

    • Online
    iLoveIMG screenshot 1

    iLoveIMG Features

    1.  Batch Editing
    2.  Image Processing

    iLoveIMG VS i-Tools.Online

     
  13. E-mage icon

    E-mage

     10 likes
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    From developers to developers: a cross-platform tool for losslessly image compression.

    83 E-mage alternatives

    License model

    • Free • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    E-mage screenshot 1
    Discontinued

    The last commit was on Feb 9, 2019

    Properties

    1.  Customizable

    Features

    1.  PNG Compression

    E-mage VS i-Tools.Online

     
  14. pngcrush icon

    pngcrush

     9 likes
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    Pngcrush is an optimizer for PNG (Portable Network Graphics) files. It can be run from a commandline in an MSDOS window, or from a UNIX or LINUX commandline.

    38 pngcrush alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Windows
    • Linux
    pngcrush running in Windows 7.
    Discontinued

    The latest version (1.8.13) is from August 2017.

    pngcrush Features

    1.  Command line interface
    2.  Works Offline
    3.  Ad-free
    4.  Optimization
    5.  PNG Compression
    6.  PNG Optimization
    7.  Image Processing

    pngcrush VS i-Tools.Online

     
12 of 39 i-Tools.Online alternatives