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Supported Formats
Convert between all major file formats with high quality
Web Formats
Joint Photographic Experts Group - the most universal image format for photographs using lossy compression. Reduces file sizes 90-95% with minimal visible quality loss. No transparency support. Perfect for photos, web images, email attachments, and any scenario requiring small file sizes. Adjustable quality levels from 1-100. Standard since 1992 with universal device and software support. Ideal for photographs and complex images with many colors.
Portable Network Graphics - lossless image format supporting transparency and 16 million colors. Larger files than JPEG but perfect quality preservation. Supports alpha channel for smooth transparency. Excellent for logos, graphics with text, screenshots, and images requiring transparency. Better compression than GIF for photos. Perfect for web graphics, UI elements, and any image needing lossless quality or transparency. Standard format for web graphics since 1996.
Web Picture format - modern image format by Google providing 25-35% smaller files than JPEG at equivalent quality. Supports both lossy and lossless compression plus transparency. Superior compression algorithms reducing bandwidth usage. Native browser support (96%+ coverage). Perfect for website optimization, web images, and reducing page load times. Combines best features of JPEG, PNG, and GIF. Recommended for modern web development.
Graphics Interchange Format - image format supporting animation and transparency with 256-color limitation. Small file sizes for simple images. Perfect for simple animations, emojis, memes, and graphics with few colors. Lossless for limited palette. Inefficient for photographs (use JPEG) or high-color graphics (use PNG). Universal support since 1987. Standard format for simple web animations and reaction images.
Scalable Vector Graphics - XML-based vector format rendering perfectly at any size. Infinitely scalable without quality loss or pixelation. Small file sizes for geometric shapes and illustrations. Editable with text editors and design software. Perfect for logos, icons, diagrams, and graphics requiring scaling. Supports animation and interactivity. Standard for responsive web graphics and resolution-independent designs. Essential format for modern web icons.
Icon File Format - specialized format for Windows icons containing multiple image sizes (16x16 to 256x256 pixels). Single file provides icons for all display resolutions. Used for favicons, application icons, and Windows shell icons. Supports transparency and multiple color depths. Perfect for website favicons, Windows program icons, and shortcut icons. Standard format for Windows icons since Windows 1.0. Essential for professional Windows applications.
AV1 Image File Format - next-generation image format based on AV1 video codec providing better compression than WebP and JPEG. 20-50% smaller files at equivalent quality. Supports HDR, wide color gamut, and transparency. Cutting-edge compression technology. Growing browser support (85%+ and increasing). Perfect for future-proof web images and maximum efficiency. Better quality at smaller sizes than any previous format. Recommended for modern websites prioritizing performance.
Bitmap Image File - uncompressed raster format from Microsoft providing pixel-perfect quality with large file sizes. No compression means huge files (1MB+ for screenshots). Fast to load and display. Simple format with universal Windows support. Perfect for temporary graphics, screen captures, and scenarios where compression artifacts are unacceptable. Legacy format largely replaced by PNG. Convert to PNG or JPEG for practical use and storage.
Tagged Image File Format - flexible format supporting multiple pages, layers, and various compression methods. Industry standard for professional photography, publishing, and archival. Supports lossless compression, 16-bit color depth, and extensive metadata. Large file sizes but excellent quality. Perfect for print publishing, photo archival, professional photography, and scenarios requiring maximum quality and flexibility. Used in medical imaging and professional scanning.
Professional Formats
Photoshop Document - Adobe Photoshop's native format preserving layers, effects, masks, and all editing capabilities. Supports 16-bit and 32-bit color depths for professional work. Large file sizes due to layer data and editing information. Perfect for ongoing design projects, professional photo editing, and collaborative design work. Not suitable for final output (export to JPEG/PNG). Essential format for professional graphic design and photo manipulation workflows. Industry standard for design files.
OpenEXR - high dynamic range image format developed by Industrial Light & Magic for visual effects and animation. Stores 16-bit or 32-bit floating-point values per channel enabling enormous dynamic range. Supports multiple layers, arbitrary channels, and lossless/lossy compression. Industry standard for VFX, CGI, and professional 3D rendering. Perfect for HDR photography, compositing, and scenarios requiring maximum color precision. Used extensively in film production and high-end visual effects.
High Dynamic Range Image - format storing luminance and color information with greater range than standard images. Captures and displays brightness levels impossible in JPEG/PNG. Uses 32-bit floating-point encoding. Perfect for realistic lighting in 3D rendering, environment maps, and HDR photography. Common in game development and architectural visualization. Enables realistic tone mapping and exposure adjustment. Essential for professional lighting workflows.
DirectDraw Surface - Microsoft texture format for games and 3D applications supporting compressed textures and mipmaps. Optimized for GPU loading with hardware-accelerated decompression. Stores multiple resolution levels (mipmaps) in single file. Standard format for game textures (DirectX, Unity, Unreal). Supports various compression algorithms (DXT1, DXT5, BC7). Perfect for game development, 3D modeling, and real-time rendering. Essential format for game asset pipelines.
Truevision TGA/Targa - raster graphics format supporting 8-32 bits per pixel with alpha channel. Uncompressed or RLE compressed for fast loading. Standard format for video editing, animation, and texture mapping. Excellent color accuracy with optional lossless compression. Perfect for video frame sequences, animation frames, and game textures. Widely supported in 3D software and video editing applications. Reliable format for professional media production.
JPEG 2000 - advanced image format using wavelet compression providing better quality than JPEG at equivalent file sizes. Supports lossless and lossy compression, progressive decoding, and ROI coding. Used in medical imaging, digital cinema, and archival. Better compression artifacts than JPEG. Slower encoding/decoding. Perfect for medical imaging, digital preservation, and applications requiring superior compression. Limited web browser support.
JPEG Stereo - stereoscopic 3D image format storing left and right eye views side-by-side or top-bottom. Based on standard JPEG with special arrangement for 3D viewing. Used for 3D photography, VR content, and stereoscopic displays. Compatible with 3D TVs and VR headsets. Perfect for 3D photography, stereoscopic content creation, and VR/AR applications. Requires special viewing equipment for proper 3D effect.
Portable Float Map - floating-point image format storing HDR color data. Simple format with 32-bit float values per channel. Used in computer graphics for HDR images and height maps. Uncompressed format with large file sizes. Perfect for HDR photography processing, displacement maps, and scientific imaging. Common in 3D rendering and simulation applications. Alternative to OpenEXR for simple HDR storage.
Flexible Image Transport System - scientific image format used primarily in astronomy. Stores astronomical images with extensive metadata headers. Supports multiple data arrays and tables. Standard format for astronomical data archives. Perfect for astronomical imaging, scientific data exchange, and research applications. Used by major observatories and space agencies worldwide. Essential format for astronomical research and data sharing.
How to Convert Files
Upload your files, select output format, and download converted files instantly. Our converter supports batch conversion and maintains high quality.
Frequently Asked Questions
What is an MNG file and why was it created?
An MNG file is the **Multiple-image Network Graphics** format, originally designed as the official animated counterpart to PNG. While PNG focused on lossless still images, MNG was introduced to provide an open, royalty-free, high-quality animation format that could replace GIF while offering advanced features such as variable frame rates, transparency, alpha blending, color correction, and even embedded JPEG/PNG frame data. It was developed by the same team behind PNG, aiming to become a modern, extensible animation standard.
The goal was ambitious: create a powerful, future-proof animation format without GIF’s patent issues or limitations (like 256-color palettes). MNG supported truecolor, deep color, and full alpha-decades ahead of GIF. However, its complexity prevented widespread adoption, and formats like APNG, WebP, and video standards overshadowed it.
How is an MNG file structured internally?
MNG is a chunk-based container format built on the same architecture as PNG:
MHDR Header Chunk
Contains global animation properties such as frame count, ticks per second, simplicity profile, and object limits. Similar to PNG's IHDR but expanded for animation logic.
Multiple Frame Objects
Each frame may be a raw MNG subimage, a PNG, or even a JPEG (via JNG). This makes MNG highly flexible for mixed-type content.
Delta and Clipping Chunks
MNG supports partial updates, meaning only changed regions are stored instead of full frames-dramatically reducing file size.
Timing & Composition Chunks
Chunks like FRAM, CLIP, and SHOW control animation behavior, delay time, disposal methods, blending modes, and layer ordering.
This multi-layer, object-based architecture is extremely powerful but also made MNG difficult for developers to implement.
Where are MNG files used today?
MNG never achieved mass adoption, but it still appears in several areas:
Legacy Web Animations
Older browsers like Netscape and early Mozilla builds supported MNG as a GIF replacement before support was dropped.
Software UI Animations
Some Linux and BSD desktop themes used MNG for animated icons or boot screens.
Scientific Visualization
MNG’s ability to store high-color, lossless animation made it useful for laboratory simulations and imaging sequences.
Game Engines (Retro or Custom)
Certain open-source engines used MNG for sprite animations when PNG was already standard for stills.
Open-Source Art Tools
Older versions of graphics programs supported MNG export for high-quality animation previews.
Custom Multimedia Pipelines
Some internal Unix systems used MNG for embedded GUI animations in toolkits like Tk or Qt.
Cross-Platform Applications
Apps needing portable, lossless animations sometimes relied on MNG in environments lacking video codecs.
Although not mainstream, MNG persists in specialized workflows that value lossless animation.
Why did MNG fail to become the standard animated image format?
Its architecture was extremely complex, making implementation difficult compared to GIF’s simple 256-color frames.
Browser vendors considered it too heavy and chose not to support it widely, killing its momentum.
Competing formats like APNG and later WebP were simpler or better integrated, quickly overtaking MNG.
How does MNG compare to GIF, APNG, WebP, and video formats?
MNG is much more advanced than GIF, supporting truecolor, alpha, variable timing, and delta compression, far beyond GIF’s capabilities.
APNG is simpler and easier to implement, making it more attractive for browsers. MNG’s feature set was excessive for typical web needs.
Modern browsers prefer WebP or MP4/WebM videos, which outperform MNG in compression and compatibility.
Does MNG support transparency, alpha channels, or high bit depth?
Yes-MNG supports full alpha transparency, unlike GIF’s basic binary transparency mask.
It supports 16-bit channels, floating-point data, and deep color, making it suitable for scientific sequences.
Partial transparency and advanced blending operations make it far more sophisticated than GIF or early APNG versions.
Why do some MNG animations look corrupted or fail to play?
Many viewers incorrectly implement delta-frame composition, causing misalignment or artifacts.
Older MNG files rely on JNG (JPEG+PNG metadata), which some decoders do not support.
MNG 'simplicity profiles' may conflict with strict decoders expecting minimal feature usage.
Why do MNG conversions often fail or produce unexpected results?
MNG is a complex format with many optional systems:
Unsupported Chunks
FRAM, SHOW, CLIP, and other advanced chunks may be ignored by simple converters.
Hybrid PNG/JPEG Frames
MNG allows mixing PNG frames and JNG frames, which complicates decoding.
Nested Object Structures
Multi-object MNG files require hierarchical operations that most tools can’t parse.
Exotic Color Depths
16-bit and floating-point channels may be dropped or quantized unexpectedly.
Broken Browser Implementations
Historically, some browsers partially supported MNG, causing inconsistent behavior.
Best compatibility is achieved using ImageMagick or libmng for conversion.
Does MNG support metadata, EXIF, or ICC color profiles?
Yes-MNG can store ICC profiles and gamma correction data for color-accurate animations.
It does not support EXIF in the typical photographic sense since it's not a camera format.
MNG embeds metadata similarly to PNG, allowing structured custom tags.
What are practical uses of MNG today?
Despite being largely deprecated, MNG survives in specific areas:
Legacy UI Skins
Some old desktop themes or application skins still rely on MNG animations.
Scientific Imaging Animation
Lossless multi-frame scientific sequences occasionally use MNG for portability.
Niche Linux Toolkits
Older systems like Slackware or FreeBSD used MNG for splash screens or animated icons.
Archival of Early Web Animations
MNG preserves high-quality animated sequences created before APNG existed.
Unix Workflows
MNG is still recognized by ImageMagick, Netpbm, and libmng, common tools in Unix stacks.
Cross-Platform Data Packaging
Because it's lossless and predictable, MNG is used in some internal testing pipelines.
Restoration of Historical Interfaces
Retro computing and UI restoration projects often retain MNG for authenticity.
Custom Embedded Systems
Some industrial interfaces used MNG due to its transparency and scriptability.
Document Processing Pipelines
Earlier scanning systems produced MNG sequences as previews of multi-page image sets.
Animation Preservation
Collectors preserve early PNG-based animation experiments stored as MNG.
Why are MNG files so large compared to GIF or video?
MNG typically uses **lossless compression**, storing precise pixel data rather than quantized palettes.
Delta frames and multi-object structures add overhead even when only small areas change.
High color depth and alpha blending significantly increase data size.
How large can MNG files get?
Simple animated icons may be only a few hundred KB.
High-resolution truecolor animations can reach tens or hundreds of megabytes.
Complex scientific or layered MNGs can exceed 1GB due to lossless multiframe storage.
Does MNG support animation controls like GIF?
Yes-MNG supports frame delays, disposal methods, looping, and sequencing similar to GIF but far more advanced.
It also supports conditional scripting, segment reuse, and object-level manipulation.
These capabilities exceed GIF significantly but contributed to MNG’s complexity.
Why do some viewers show MNG animations incorrectly?
Some viewers ignore SHOW/CLIP chunks, breaking layering or transitions.
PNG-only libraries fail to decode embedded JNG frames.
Simplified MNG decoders may interpret multi-object files as simple PNG sequences, causing glitches.
Is the MNG format still relevant today?
MNG is mostly obsolete for the web, having been replaced by APNG, WebP, and MP4.
However, it remains relevant in archival, scientific, and retro computing environments.
While no longer mainstream, MNG’s design still represents one of the most powerful lossless animation systems ever created.
About the MNG Format
MNG is a file format used in specific workflows. The exact characteristics depend on the implementation and chosen settings.
- Format Type
- File format
- Origin
- Industry-developed format
- Common Uses
- Various applications that support MNG
- Compression
- Depends on implementation
Sources and References
Format details on this page are based on the official specifications and documentation below.
- Image file type and format guide- MDN Web Docs