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How-To

Inspect & Understand Image Metadata

A hands-on walkthrough of the Image Metadata Inspector — a browser-based tool that extracts and displays every piece of hidden data stored inside your image files, from camera settings to GPS coordinates.

📅 Apr/24/2026 ⏱ 8 min read

Introduction

Every image file carries far more data than just pixels. Hidden inside the file is a record of exactly how and when the photo was taken — the camera make and model, the lens used, shutter speed, aperture, ISO, focal length, and in most cases precise GPS coordinates that place the shot on a map. This data is called EXIF, and it sits alongside two other major standards: IPTC (captions, keywords, copyright) and XMP (edit history, ratings, creator tool).

The Image Metadata Inspector is a fully browser-based tool — no installs, no uploads to a server, nothing leaves your machine. Drop any image onto it and it instantly surfaces all of that hidden data in a readable, filterable layout. This guide walks you through every feature so you can get the most out of it.

Prerequisites

No software to install. All you need is:

What the Tool Extracts

Results are organized into seven color-coded sections. Not every section will have data — it depends entirely on what was written into the file at capture time.

Camera

Make, model, lens, aperture, shutter speed, ISO, focal length, flash

GPS / Geo-location

Latitude, longitude, altitude, direction, speed, GPS timestamp

Date / Time

Date taken, date digitized, timezone offset, sub-second precision

Image Properties

Pixel dimensions, DPI resolution, color space, bit depth, orientation

IPTC

Headline, caption, keywords, by-line, credit, copyright, city, country

XMP

Star rating, colour label, edit history, creator tool, document ID

ICC Color Profile

Profile name, color space, device class, rendering intent, creator

Step 1 — Load an Image

The left sidebar is your entry point. You can load an image in two ways.

Step 1

Drag-and-drop or click to browse

Drag any supported image file directly onto the drop zone on the left side of the tool, or click the zone to open a file picker. The tool accepts JPEG, PNG, HEIC/HEIF, TIFF, WebP, DNG, and most RAW formats.

Once loaded, a preview of the image appears immediately below the drop zone along with the file name, size, and format. If the file contains an embedded thumbnail (most JPEGs do), it appears below the preview as a separate entry — useful to see if the thumbnail differs from the full image.

Step 2 — Read the Results

After loading, the right panel fills with every metadata field the tool could extract. Each section is headed by a colored dot matching the category grid above and shows a field count in brackets.

Step 2

Understanding the output

Fields are displayed as label-value pairs inside a responsive grid. Values that are coordinates or technical strings are shown in monospace. Keyword arrays (common in IPTC data) are rendered as a tag cloud rather than a plain list, making them easier to scan at a glance.

If GPS coordinates are present, two things happen automatically: a View on Google Maps link appears in the left sidebar pinpointing where the photo was taken, and a red GPS data present privacy badge appears at the top of the results panel as a reminder before you share the file.

Privacy warning: GPS metadata reveals the exact location where a photo was taken. Before sharing images publicly — on social media, in emails, or in documents — consider stripping this data. Most image editors and export tools have a "remove location data" or "strip metadata" option.

Step 3 — Filter by Category

If you only care about one type of data, use the filter bar to focus the view.

Step 3

Using the filter pills

Below the image preview in the left sidebar you will find a row of filter pills: All, Camera, GPS, Date/Time, Image, IPTC, XMP, and ICC. Clicking any pill hides all other sections and shows only the selected category. Click All to return to the full view. The filter state persists if you load a second image, which makes it easy to compare a specific category across multiple files.

Step 4 — Export as JSON

Need the raw data for a script, a spreadsheet, or to pass into another tool?

Step 4

Download the full metadata as JSON

Click the Export JSON button at the top of the results panel. The browser downloads a .json file containing every extracted field from all seven categories in a structured object. The file is named after the source image, so photo.jpg produces photo-metadata.json. This is particularly useful when you need to batch-process metadata programmatically or archive it alongside your files.

Try the Tool

The inspector is embedded below — fully functional. Drop an image in and explore the output without leaving this page. If you want to understand what each field means at a deeper level, the Image Metadata & EXIF Data Research article covers every standard in full detail.

Image Metadata Inspector

Want to run it locally or use it offline?

Download the source files and open index.html in any browser — no server needed.

Conclusion

The Image Metadata Inspector gives you an instant, readable window into the hidden layer of any image file. Whether you are auditing photos for GPS exposure before publishing, verifying IPTC copyright fields on a stock image, or just curious what your camera recorded — drop the file in and the data is there in seconds.

For a field-by-field reference of every standard the tool covers, head over to the Image Metadata & EXIF Data Research article.

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