Instant lookup and calculator for commercial 300 DPI print sizes: 4x6, 5x7, 8x10, A4, A3, and posters with required pixel matrices.
Drag and drop your file here, paste from clipboard (Ctrl+V), or click browse.
Supports JPG, PNG, WebP, SVG, AVIF, HEIC, GIF, BMP, TIFF, ICO.
Follow 3 easy steps to process your image online.
Select or drag your image file into the scanner workspace (supports all popular formats).
The in-browser analyzer immediately parses EXIF tags, pixel dimensions, DPI, and color profiles.
Review detailed technical readouts, metadata tags, aspect ratio, and print compatibility specs.
Copy exact values (HEX, DPI, dimensions) or download comprehensive technical reports.
Your photos are processed directly inside your web browser. Nothing is ever uploaded to any cloud server or database, keeping your images strictly confidential.
Powered by modern HTML5 Canvas, WebGL, and WebAssembly for instantaneous transformations without queueing or server rendering delays.
Works smoothly across all modern web browsers on iPhone Safari, Android Chrome, Mac, Windows, and Linux computers.
Click any question below for detailed information about 300 DPI Calculator
300 DPI Calculator is a free, web-based utility designed to calculate standard photo lab & press print sizes. Powered by modern browser technologies including HTML5 Canvas and WebAssembly, it processes your files directly on your local device without sending images to any external server. This guarantees instant results, maximum data privacy, and lossless output quality.
Yes, completely. Unlike traditional cloud converters, 300 DPI Calculator does not upload, store, or log your pictures on remote servers. All image rendering and processing happens entirely inside your browser sandbox. Once you close or reload the page, your images are cleared from browser memory with zero residual footprint.
300 DPI Calculator reads byte-level EXIF header tags and canvas pixel buffers directly from your source file. This delivers exact DPI/PPI values, width, height, aspect ratio, color depth, and camera metadata that match professional desktop suites like Photoshop and Lightroom.
300 DPI Calculator supports uploads up to 50MB per file and accepts JPG, PNG, WebP, SVG, AVIF, HEIC, GIF, BMP, TIFF, and ICO. Processing is optimized for lightning-fast speeds on both mobile devices and desktop computers.