Changelog

Latest updates and improvements to C2PA Checker.

v1.4.0

Chrome Extension

  • C2PA Checker Chrome Extension — Free browser extension to verify C2PA content credentials on any image across the web. Right-click any image to check provenance and detect AI-generated content — all running locally via WebAssembly.
  • Extension Landing Page — Dedicated /c2pa-extension page with feature showcase, screenshots, installation guide, and FAQ.
  • Support Page — New /support page with quick start guide, FAQ, troubleshooting steps, and contact info.
  • Extension Privacy Policy — Updated privacy page with dedicated Chrome extension section covering local processing, data collection, and permissions.
v1.3.0

EXIF Metadata Viewer

  • EXIF Metadata Extraction — Comprehensive image metadata is now extracted and displayed alongside C2PA results when analyzing images, using exiftool with Pillow fallback.
  • Categorized Display — EXIF data is organized into Camera, Settings, Date/Time, Image, GPS, ICC Profile, File Info, and more.
  • Privacy Warnings — Automatic detection and warning for sensitive metadata like GPS location, device serial numbers, and author information.
  • GPS Map Link — If GPS coordinates are found, a direct link to view the location on Google Maps is provided.
  • Searchable Tag Table — All metadata tags displayed in a sortable, searchable table for quick lookup.
v1.2.0

C2PA Video & Audio Checker

  • C2PA Video Checker — Upload and verify C2PA content credentials in video files (MP4, MOV, AVI, MKV, WebM) up to 100MB with async processing.
  • C2PA Audio Checker — Verify C2PA metadata in audio files (MP3, WAV, FLAC, OGG, AAC, M4A) up to 50MB. Detect AI voice clones and synthetic speech.
v1.1.0

Multi-File Checker & Blog

  • Multi-File Checker — Upload and analyze up to 20 images at once with per-file progress tracking and detailed result modals.
  • Blog Section — Articles about C2PA, content credentials, and AI detection.
  • Single/Multi file tab switcher on homepage.
  • Updated navigation with Blog and Changelog links.
v1.0.0

Initial Launch

  • C2PA Checker Tool — Upload images and verify C2PA content credentials instantly.
  • AI Detection — Detect AI-generated images via C2PA digitalSourceType and claim generator analysis.
  • Manifest Viewer — Full assertion, signature, ingredient, and validation status display.
  • Support for JPEG, PNG, WebP, TIFF, HEIC, HEIF.
  • Dark theme with security-focused design.