Inspect Image Format, Metadata, and Compatibility
See exactly what format your image uses and where it may break.
Drag & drop your images
or click below to browse your files
Free users: up to 15 images at once • Premium: unlimited batch processing
Images are processed locally in your browser whenever possible. If local processing isn't supported or fails, we automatically complete the job on our servers - no action required. Analyze JPG, PNG, WebP, AVIF, GIF, SVG, HEIC, TIFF, and more. Batch checks included, no account needed.
Why Use FastImageTools for Format Inspection
Local-first processing
Most inspections run directly in your browser for fast, private analysis.
Instant technical breakdown
Get format, container, metadata, color, and compatibility details in seconds.
Completely free
Inspect single files or batches without limits, paywalls, or sign-up.
Actionable recommendations
See format-specific warnings and the best next tools to fix issues quickly.
How to Inspect an Image Format
- 1
Upload image files
Upload JPG, PNG, WebP, AVIF, GIF, SVG, HEIC, or TIFF files to inspect.
- 2
Choose what to review
Review format details, metadata, compatibility, and integrity warnings per file.
- 3
Download or act on results
Download reports or jump to the right converter/optimizer tool for each issue.
Browser-Based Inspection vs Cloud Services
FastImageTools (local-first)
- Most checks run in your browser by default
- No upload wait for typical files
- Handles common formats and batch workflows
- Free for everyday technical inspections
- Core checks can work with unstable internet
Typical cloud tools
- —Files are often uploaded before analysis begins
- —Upload time adds delay on large batches
- —Limits can apply by file size or queue
- —Advanced analysis often requires paid plans
- —Usually unavailable without active connection
Example Inspection Result
Before check
2.8 MB
product-hero.avif
After recommendation
1.6 MB
Visually identical
Supported Formats
JPG
Great compatibility, ideal for photos and social media uploads.
PNG
Lossless quality and transparency, common for UI assets and graphics.
WebP
Modern web format with strong compression and optional transparency.
AVIF
Very efficient next-gen format with excellent compression for web delivery.
GIF
Legacy animated format with broad support but larger file sizes.
SVG
Vector format for icons, logos, and resolution-independent illustrations.
Format Inspector FAQ
Does format inspection reduce image quality?+−
Is it safe to inspect sensitive images here?+−
What is the maximum file size for inspection?+−
Can I inspect multiple images at once?+−
Can this detect lossy vs lossless encoding?+−
Will it tell me the best format for web?+−
What is the difference between local and cloud analysis?+−
Are images uploaded to your servers?+−
Related Tools
Fix issues found during inspection with these next-step tools.
Convert to WebP
Create smaller web-ready files with broad modern support.
Convert to AVIF
Maximize compression for performance-focused web pages.
Convert to PNG
Generate lossless files for graphics and transparency use cases.
Convert to JPG
Create universally compatible image files for every platform.
Metadata Cleaner
Remove GPS and hidden metadata before publishing or sharing.
Image Optimizer for Web
Automatically tune quality and size for fast page loads.