Image / PDF / Document Information
Drop an image, PDF or document below to see a complete technical summary — file format, dimensions, aspect ratio, colour mode, file size and any available metadata. Everything is inspected locally in your browser, so your file never leaves your device.
Read the guide: How to view image, PDF and document informationInput
Supports images (JPG, PNG, WebP, GIF, BMP, SVG), PDF, and text-based documents. Binary Office files show basic info only.
Technical summary
Inspected locally in your browser — nothing is uploaded.
How the Image / PDF / Document Information works
- Your file is read locally in the browser — nothing is uploaded.
- Images are decoded to a canvas to measure dimensions, aspect ratio, colour mode and alpha.
- PDFs are parsed with PDF.js to read page count, page size, version and the document's metadata.
- Text documents are read to count characters, words and lines.
- The full technical summary is displayed in grouped sections.
Useful tips
- For images, the colour mode is determined from the actual pixels — a JPEG saved as RGB will show RGB even if renamed.
- For PDFs, page size is shown in points and millimetres based on the first page.
- Binary Office documents (.docx, .xlsx) only show basic file info — their contents aren't extracted.
Frequently asked questions
Is my file uploaded?+
No. The file is read and analysed entirely in your browser. Nothing is uploaded or stored.
What information is shown?+
For images: format, dimensions, aspect ratio, megapixels, colour mode and alpha. For PDFs: page count, page size, aspect ratio, PDF version and document metadata. For text documents: character, word and line counts.
What file types are supported?+
Images (JPG, PNG, WebP, GIF, BMP, SVG), PDF, and text-based documents (TXT, CSV, JSON, Markdown, HTML, XML). Binary Office files (.docx, .xlsx) show basic file info only.
Why are no metadata shown for my image?+
The browser exposes limited image metadata; EXIF tags aren't decoded without a dedicated parser, so the inspector reports what's reliably available in-browser.
Related guides
How to compress JPG images
Large JPG files slow down websites and fill up storage. This guide explains how JPG compression works, how the quality setting trades size for sharpness, and how to pick a sensible level for photos and graphics — all using a free tool that runs entirely in your browser.
How to compress PNG images
PNG files are large because the format is lossless and keeps every colour and pixel. This guide explains how PNG compression works, how reducing colour depth shrinks the file while preserving transparency, and how to choose a sensible level — all using a free tool that runs entirely in your browser.
How to compress WebP images
WebP produces smaller files than JPG and PNG while supporting transparency, but it can still be trimmed further by re-encoding at a lower quality. This guide explains how WebP compression works, how the quality setting trades size for sharpness, and how to pick a sensible level — all using a free tool that runs entirely in your browser.
How to reduce image file size to a target
Sometimes you need an image under a specific size — for an upload limit, an email attachment or a web budget. This guide explains how target-size optimisation balances quality and dimensions to hit a file-size limit, and how to reduce an image to 100 KB, 500 KB, 1 MB or 2 MB — all using a free tool that runs entirely in your browser.
Related tools
Compress JPG
Compress JPG images and reduce file size — choose your quality level, all in your browser.
Compress PNG
Compress PNG images and reduce file size while preserving transparency — all in your browser.
Image Brightness & Contrast
Adjust image brightness and contrast with an output quality setting — all in your browser.
Upscale Image
Upscale an image by 2×, 3×, 4× or a custom factor while keeping the best possible quality — all in your browser.
