Image Size Finder Online
Read the exact pixel dimensions, file size, aspect ratio and embedded DPI of any image, then see what print size that works out to. Export a CSV report.
How to Check an Image's Size
Add one image or a whole batch, and every specification appears instantly. Copy any value or download the full list as a CSV report.
Step 1
Add Your Images
Drop in one file or many, or paste straight from your clipboard.
Step 2
Read the Specs
See width, height, megapixels, aspect ratio, format, file size and embedded DPI.
Step 3
Export a Report
Copy any single value, or download the whole table as a CSV for your records.
Read Real Dimensions and Embedded DPI Without Uploading a File
Knowing how big an image actually is sounds trivial until you need the number. A file manager will tell you the size on disk, which is not the same as the pixel dimensions, and checking anything more requires opening a viewer or an editor. And when the question is whether a photo is good enough to print, the size on disk tells you nothing at all, because what matters is the pixel count combined with the resolution the file claims.
This tool reports the full set at once: pixel width and height, aspect ratio, megapixel count, file format, exact file size, and the DPI embedded in the file. That last one is the interesting part, because it is read from the image’s own bytes rather than assumed. The tool parses the density fields inside PNG and JPEG files directly, so the number you see is what the file actually declares rather than a default someone’s software filled in.
Once dimensions and DPI are both known, print size follows arithmetically, and that is the question most people are really asking. Divide the pixel width by the DPI and you have the physical width in inches, which tells you straight away whether an image works for a 300 DPI print or is only ever going to be fit for a screen. The tool does that conversion for you and shows the result in both inches and centimetres, so there is no arithmetic to get wrong.
Standard size matching saves the other common job. Instead of comparing numbers against a list you half remember, the tool checks your image against familiar presets, social formats, common display sizes and print sizes, then reports the closest match and whether the aspect ratio lines up or the image would need cropping to fit. That is the difference between knowing an image is 1920 by 1080 and knowing it will drop straight into a particular slot.
Because the whole point is inspecting files you may not want to share, everything is read locally in the browser and nothing is uploaded. Batch mode lets you load many images at once and compare them side by side, with a running summary of the total count, megapixels and combined size. The CSV export gives you a permanent record of every specification, which is useful for asset audits, client delivery notes and checking a folder against a platform’s upload limits before you spend time uploading.
Exact Dimensions
Read pixel width, height, aspect ratio and megapixel count for one image or a batch.
True Embedded DPI
Density is parsed from the file's own bytes rather than assumed from a default.
Print Size Output
See the physical size in inches and centimetres that the pixels and DPI work out to.
Standard Size Match
Compare against common social, display and print presets and see the closest fit.
Batch Comparison
Load many images at once with a running summary of totals and combined size.
CSV Export
Download every specification as a report for audits, records or client delivery.
FAQ
Frequently Asked Questions
Drop the image in, or paste it from your clipboard, and the width, height, aspect ratio, megapixels, format and file size are shown immediately. You can load many files at once and compare them side by side.
It is parsed from the image’s own bytes, reading the density fields inside PNG and JPEG files directly. That means the number is what the file actually declares, not a default assumed by the software.
Yes. The tool converts pixels and DPI into a physical print size in inches and centimetres, so you can see straight away whether a file holds up at 300 DPI or is only suitable for screen use.
It compares your image against familiar social, display and print presets, then reports the closest match and whether the aspect ratio lines up or the image would need cropping to fit.
No. Every value is read from the file in your own browser, so the image never leaves your device. That makes it safe for inspecting client work and unreleased assets.
Yes. Add a whole folder and each file is analysed, with a summary tracking the total count, combined megapixels and overall size across everything you loaded. That is the quickest way to audit a folder before uploading it somewhere.
Yes. Copy any individual value, or download the complete table as a CSV report covering dimensions, DPI, print size and nearest preset for every image. The CSV opens in any spreadsheet application without further cleanup.
Any image your browser can decode, including PNG, JPEG, WebP, GIF and BMP. DPI is read from PNG and JPEG files, which are the formats that reliably carry density information.
Because DPI is what turns pixels into physical size. Two images with identical dimensions but different embedded DPI will be printed at different sizes, so the same pixel count can be perfect for print or only fit for a screen.