BlueprintLab Tools
JAEN
TOOL TOPIC

Image & print tools

Calculate print-ready pixel dimensions and prepare image files by resizing, converting, compressing, cropping, and inspecting them.

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Common tasks in this topic

Tools for DPI, pixels, print dimensions, image conversion, resizing, compression, cropping, and other image-production tasks.

1
Calculate required pixels at 300, 350, or 600 DPI
2
Convert images between PNG, JPEG, and WebP
3
Resize, compress, crop, and inspect images locally

Tools in this topic

Choose the tool that most closely matches the task you need to finish.

300 DPI pixel dimensions calculatorCalculate the pixel dimensions required for a physical print size at 300 DPI.350 DPI pixel dimensions calculatorCalculate the pixel dimensions required for a physical print size at 350 DPI.600 DPI pixel dimensions calculatorCalculate the pixel dimensions required for a physical print size at 600 DPI.A4 pixel dimensions by DPI calculatorCalculate A4 pixel dimensions (210 × 297 mm) at any DPI, in portrait or landscape.Aspect ratio calculatorSimplify an aspect ratio and calculate matching dimensions.Compress an Image by Quality and Maximum WidthReduce image file size by changing quality and maximum width.Convert Images between PNG, JPEG, and WebPConvert an image between PNG, JPEG, and WebP.Convert Images to and from Base64 Data URLsConvert between image files and Base64 Data URLs.Create a Custom Placeholder ImageCreate a placeholder PNG with exact dimensions and colors.Crop an Image by Coordinates and SizeCrop an exact image area using coordinates and dimensions.Image resize calculatorCalculate resized dimensions while preserving aspect ratio.Pixels to print size calculatorConvert pixel dimensions and DPI into physical print size in millimetres and inches.Remove a Selected Color and Make a Transparent PNGRemove a selected color and export a transparent PNG.Resize an Image to Exact Pixel DimensionsResize an image to the pixel dimensions you need.SRT / WebVTT subtitle checkerCheck timestamps, cue order, start/end times and basic subtitle errors.WebP to PNG converterConvert a WebP image to PNG locally in your browser and download the result.

Related references

Keep the relevant formats and units close while you work.

DPI, PPI & pxOpen the related reference guidePaper sizesOpen the related reference guideAspect ratiosOpen the related reference guideImage formatsOpen the related reference guide