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.Open →350 DPI pixel dimensions calculatorCalculate the pixel dimensions required for a physical print size at 350 DPI.Open →600 DPI pixel dimensions calculatorCalculate the pixel dimensions required for a physical print size at 600 DPI.Open →A4 pixel dimensions by DPI calculatorCalculate A4 pixel dimensions (210 × 297 mm) at any DPI, in portrait or landscape.Open →Pixels to print size calculatorConvert pixel dimensions and DPI into physical print size in millimetres and inches.Open →WebP to PNG converterConvert a WebP image to PNG locally in your browser and download the result.Open →SRT / WebVTT subtitle checkerCheck timestamps, cue order, start/end times and basic subtitle errors.Open →Aspect ratio calculatorSimplify an aspect ratio and calculate matching dimensions.Open →Image resize calculatorCalculate resized dimensions while preserving aspect ratio.Open →Resize an Image to Exact Pixel DimensionsResize an image to the pixel dimensions you need.Open →Compress an Image by Quality and Maximum WidthReduce image file size by changing quality and maximum width.Open →Crop an Image by Coordinates and SizeCrop an exact image area using coordinates and dimensions.Open →Convert Images between PNG, JPEG, and WebPConvert an image between PNG, JPEG, and WebP.Open →Remove a Selected Color and Make a Transparent PNGRemove a selected color and export a transparent PNG.Open →Convert Images to and from Base64 Data URLsConvert between image files and Base64 Data URLs.Open →Create a Custom Placeholder ImageCreate a placeholder PNG with exact dimensions and colors.Open →Favicon & App Icon GeneratorGenerate favicon.ico and PNG icons from 16 to 512 px from one image in your browser.Open →Extract PDF PagesSelect pages from a PDF and save them as a new PDF. The file is processed in your browser.Open →Delete PDF PagesRemove selected pages from a PDF and save the remaining pages as a new PDF.Open →Merge PDF filesMerge multiple PDF files in the selected order and save them as one PDF.Open →Compress PDF / reduce file sizeCompress PDF files in your browser. Safe optimization avoids rasterizing pages; optional raster compression is available when you need stronger reduction.Open →Split PDFSplit a PDF into multiple files by a chosen number of pages.Open →Reorder PDF pagesReorder PDF pages by entering a new order such as 3,1,2,4-6.Open →Rotate PDF pagesRotate selected PDF pages by 90°, 180°, or 270° and save the result.Open →Images to PDFConvert multiple images into a single PDF in the selected order.Open →PDF to PNG / JPGRender each PDF page as a PNG or JPEG image.Open →Add page numbers to PDFAdd page numbers to a PDF with position, start number, and font size controls.Open →Add watermark to PDFAdd a text watermark to every PDF page with opacity, angle, and size controls.Open →Add signature image to PDFPlace a signature or stamp image on selected PDF pages and save the PDF.Open →Extract images from PDFDetect image objects used inside a PDF and export them as PNG files.Open →HEIC / HEIF to JPG / PNGConvert HEIC or HEIF images to JPEG or PNG in your browser.Open →AVIF to PNG / JPGConvert AVIF images to PNG or JPEG.Open →SVG to PNG / JPGRender SVG to PNG or JPEG at a chosen width.Open →Batch image compressorCompress multiple images with chosen format, quality, and maximum width.Open →Batch image resizerResize multiple images to the same dimensions or maximum long edge.Open →Rotate / flip imageRotate an image in 90° steps and flip it horizontally or vertically.Open →EXIF metadata viewerInspect EXIF, camera, date, GPS, and other image metadata.Open →Remove EXIF / GPS metadataRe-encode an image to remove EXIF, GPS, and other metadata.Open →Image watermark makerAdd a text watermark to an image with position, opacity, and size controls.Open →Image mosaic / blurApply a mosaic effect to a selected rectangular area of an image.Open →PDF page organizerReorder, delete, and rotate PDF pages in one workflow.Open →Add text to PDFAdd text to selected PDF pages with position, color, and size controls.Open →PDF metadata viewer / removerInspect PDF title, author, dates, and other metadata, and create a copy with basic metadata cleared.Open →Extract text from PDFExtract text from selected or all PDF pages and save it as TXT.Open →PDF page size checkerList every PDF page size in points, millimeters, and inches.Open →Resize PDF pagesResize all PDF pages to A-series, Letter, or custom sizes with content fitting options.Open →Crop PDF pagesCrop PDF page boxes by specified top, bottom, left, and right margins.Open →Convert PDF to grayscaleRasterize PDF pages and rebuild them as a grayscale PDF.Open →Convert PNG/JPG/WebP to AVIFConvert PNG, JPEG, or WebP images to AVIF with adjustable quality.Open →GIF frame extractorExtract animated GIF frames as individual PNG images.Open →Batch image format converterConvert multiple images to JPEG, PNG, WebP, or AVIF and optionally download a ZIP.Open →Image comparison sliderOverlay two images and compare before/after with an interactive slider.Open →Image color palette extractorExtract frequent colors from an image and show HEX codes and approximate shares.Open →Dominant / average image colorCalculate an image’s dominant color and average color as HEX values.Open →Convert image to grayscaleConvert an image to grayscale and save it as PNG, JPEG, or WebP.Open →Rounded / circle image cropCrop an image to rounded corners or a circle and save a transparent PNG.Open →Social media image resizer / cropperCrop images to common Instagram, Story, X, OGP, YouTube, and LinkedIn sizes.Open →SVG optimizer / minifierValidate SVG syntax and reduce size by removing comments and unnecessary whitespace.Open →ICO to PNG converterExtract icon images from an ICO file as PNG files by size.Open →PNG to ICO converterCreate a favicon.ico containing multiple PNG-compressed sizes from 16 to 256 px.Open →Image collage makerCombine multiple images into a grid with adjustable columns, gaps, and background.Open →Image diff heatmapVisualize pixel differences between two images as a heatmap.Open →Image sepia / tone adjusterApply sepia and hue adjustments to an image and export the result.Open →Image brightness / contrast / saturationAdjust brightness, contrast, and saturation and export the result.Open →Image sharpen / blurApply blur or lightweight sharpening to an image and export it.Open →ID photo layout makerCreate printable multi-up ID photo layouts for common paper and photo sizes.Open →Image contact sheet makerCreate a labeled thumbnail contact sheet from multiple images.Open →Sprite sheet makerPack multiple images into a regular PNG sprite sheet.Open →OG image size / safe area previewPreview recommended Open Graph image ratios and safe areas.Open →PDF blank page inserterInsert blank pages at specified positions in a PDF and choose the blank-page size.Open →PDF interleaverInterleave two PDFs page by page, such as A1, B1, A2, B2.Open →PDF N-up impositionPlace multiple PDF pages on each output sheet in 2-up, 4-up, 6-up, or 9-up layouts.Open →PDF form flattenerFlatten PDF form fields into fixed page content for easier sharing and archiving.Open →PDF form field inspectorList PDF form field names, types, values, and required/read-only states.Open →PDF link extractorExtract URL link annotations from a PDF with page numbers and export them as CSV.Open →Image padding and border makerAdd padding and borders around an image and export as PNG, JPEG, or WebP.Open →Image background color replacerReplace pixels near a chosen source color with another color to change a simple background.Open →Image alpha channel checkerInspect transparent, semi-transparent, and opaque pixel ratios and the visible-content bounds.Open →Color vision deficiency simulatorPreview an image with approximate protanopia, deuteranopia, tritanopia, or achromatopsia simulation.Open →Image posterize toolReduce color levels to create a posterized image effect.Open →Image threshold binarizerConvert an image to black and white using a configurable threshold, with optional inversion.Open →Image histogram analyzerAnalyze RGB and luminance histograms plus basic pixel statistics in the browser.Open →Image RGB and alpha channel splitterSplit an image into separate red, green, blue, and alpha channel images.Open →PDF page compare / diff heatmapCompare matching PDF pages and render a pixel-difference heatmap with metrics.Open →
Related guides
Use these when you need the decision context around the tools.
JPEG, PNG, WebP or AVIF? Pick by where the image is going.Review decisions, failure points and workflow context.Read →DPI and pixels for print: which one should you look at first?Review decisions, failure points and workflow context.Read →Bleed, trim and safe area: what to check before print submissionReview decisions, failure points and workflow context.Read →A safer order for merging, organizing and compressing PDFsReview decisions, failure points and workflow context.Read →“Here is the revised PDF.” Okay… what actually changed?Review decisions, failure points and workflow context.Read →Adobe or Canva? Start with the job, not the feature list.Review decisions, failure points and workflow context.Read →
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Related references
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