Free webp to jpg
AIMG

Universal AI Media Format (Image)

image/prs.aimg Released 2026 · by AI Media Format (ai-mf) Open-Source Project

The image/prs.aimg MIME type represents the image profile of the Universal AI Media Format (AIMF). Registered in the IANA Personal/Vanity tree in mid-2026, it is a specialized media container designed to cryptographically embed AI provenance, model generation parameters, and verification metadata alongside standard image data. Its header-first design enables rapid metadata extraction to authenticate whether an image was AI-generated or AI-modified, establishing a verifiable chain of custody for digital media.

Metafiles & AI Provenance Transparency Animation ✦ HDR Production Ready

Technical Specifications

MIME Type
image/prs.aimg
Extensions
.aimg
Container
Universal AI Media Format (AIMF)
Compression
Container (Inherits payload compression, e.g., PNG/JPEG)
Algorithms
None (Pass-through to embedded payload)
Color Depth
Inherited from payload (8-bit, 16-bit, HDR)
Metadata
EXIF XMP ICC
Capabilities
Transparency
Animation
Progressive Loading
Alpha Channel
HDR Support

Magic Bytes & HTTP Headers

File Signature (Magic Bytes)
Varies (Custom AIMF Header Prepended to Payload)
ASCII: Unknown
HTTP Headers
Content-Type: image/prs.aimg
HTML Accept Attribute
accept="image/prs.aimg, .aimg"

Browser Support Matrix

Browser Status Min Version
Chrome Chrome
Not Supported
Firefox Firefox
Not Supported
Safari Safari
Not Supported
Edge Edge
Not Supported
Internet Explorer Internet Explorer
Not Supported Legacy

Advantages & Limitations

Advantages
  • Provides a robust, tamper-evident cryptographic wrapper to definitively prove the origin of AI-generated media
  • Header-first structure allows verifier nodes and APIs to validate an image's origin without needing to download or decode the entire massive pixel payload
Limitations
  • Lacks native rendering support in browsers, requiring server-side extraction or client-side WebAssembly to display the embedded image
  • Utilizes the IANA 'prs.' (personal/vanity) tree rather than the standards tree, which can cause strict enterprise firewalls to reject the MIME type as unverified

Developer Code Snippets

import magic
# Libmagic will likely fail to identify the AIMF header and fall back to 'application/octet-stream'
print(magic.from_file('generated.aimg', mime=True))
const { execSync } = require('child_process');
// Extracting the underlying PNG using the official Rust aimf-cli tool
try {
  execSync('aimf-cli extract generated.aimg --output image.png');
  console.log('Payload extracted for web delivery');
} catch (err) {
  console.error('Failed to parse AI Media Format');
}
import "net/http"
// The standard net/http library cannot detect AIMG files internally. You must rely on string matching the .aimg extension.
$mime = mime_content_type('generated.aimg');
echo $mime; // Standard server environments will map this to application/octet-stream

File Detection Steps

How to programmatically detect a image/prs.aimg file by reading its raw bytes:

  1. 1 Due to its novelty, standard magic file databases do not yet recognize AIMG files.
  2. 2 AIMG features a 'header-first' design; custom parsers must read the initial bytes to extract the cryptographic signatures before reaching the underlying image payload.

Software Support

a
aimf-cli (Rust Utility)
a
ai-mf / media-engine

Conversion Tools

Share & Embed

Markdown Badge
AIMG Format Badge
[![AIMG Format](https://freewebptojpg.com/mime/image/aimg/badge.svg)](https://freewebptojpg.com/mime/image/aimg)
Interactive iframe Widget
<iframe src="https://freewebptojpg.com/mime/image/aimg/embed" width="100%" height="280" style="border:1px solid #cbd5e1;border-radius:8px;" title="AIMG Specs"></iframe>

JSON API

All data on this page is available as a free, open JSON API. Use it in your project, documentation, or tooling.

GET https://freewebptojpg.com/mime/image/aimg.json Open JSON
Free to use
No auth required
CORS enabled
Use from any domain
Cached 24h
Cache-Control headers set

Frequently Asked Questions

What is an AIMG file?

An AIMG file is a container format built by the AI Media Format (ai-mf) group. It wraps standard image payloads (like PNG or JPEG) with a cryptographic header that stores verifiable provenance data, proving how, when, and by which AI model the image was generated or altered.

How is image/prs.aimg different from standard images?

While it contains standard pixel data, its primary purpose is structural integrity and attribution. Standard formats rely on EXIF or XMP metadata, which can be easily stripped. AIMG integrates tamper-evident cryptographic signatures directly into its container structure to combat deepfakes.

Can web browsers open image/prs.aimg files?

No modern web browsers natively support the AIMG format for rendering. Developers must use the open-source 'aimf-cli' (written in Rust) or the media-engine library to verify the AI metadata and extract the underlying backward-compatible image payload for web display.

Related Formats

Share this format