PDF Core Tools

Tool directory

All PDF & Image Tools

All currently registered tools in one organized, category-safe directory.

Last updated: July 20, 2026Contact: pdfcoretools@gmail.com

PDF Tools

Edit, organize and convert PDF documents.

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Merge PDFCombine PDF, JPG, PNG, WebP and TIFF files into one PDF. Split PDFSeparate every PDF page or create custom page-range parts. Rotate PDFRotate all pages or selected PDF pages left, right, or 180 degrees. Delete PDF PagesRemove selected pages from a PDF and download a new PDF. Add Page Numbers to PDFAdd custom page numbers to selected PDF pages with live preview and drag-to-position placement. JPG to PDFConvert JPG images into a PDF file. PNG to PDFConvert PNG images into a PDF file. WebP to PDFConvert WebP images into a PDF file. TIFF to PDFConvert single-page or multi-page TIFF files into PDF. Images to PDFCombine JPG, PNG and WebP images into one PDF. PDF to ImageConvert PDF pages to JPG, PNG, WebP, TIFF, or future supported image formats. PDF to JPGConvert PDF pages to JPG in the browser. PDF to PNGConvert PDF pages to PNG in the browser. PDF to WebPConvert PDF pages to WebP images in the browser. PDF to TIFFConvert PDF pages to TIFF images or one multi-page TIFF file. Watermark PDFAdd advanced text or image watermarks with live preview, page targeting, repeat patterns, dynamic fields, and layer control.

Image Tools

Convert image formats without mixing them into PDF tools.

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Image ConverterConvert images between JPG, PNG, WebP and TIFF formats. JPG to PNGConvert JPG and JPEG images into PNG files. JPG to WebPConvert JPG and JPEG images into WebP files. PNG to JPGConvert PNG images into JPG files. PNG to WebPConvert PNG images into WebP files. JPG to TIFFConvert JPG and JPEG images into individual TIFF files or one multi-page TIFF. WebP to JPGConvert WebP images into JPG files. WebP to PNGConvert WebP images into PNG files. PNG to TIFFConvert PNG images into individual TIFF files or one multi-page TIFF. WebP to TIFFConvert WebP images into individual TIFF files or one multi-page TIFF. TIFF to JPGConvert TIFF pages or frames into JPG images. TIFF to PNGConvert TIFF pages or frames into PNG images. TIFF to WebPConvert TIFF pages or frames into WebP images.

Compress Tools

Reduce PDF and image file sizes.

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Compress PDFReduce PDF file size with lossless or image-based compression. Image CompressorCompress JPG, PNG and WebP images online. JPG CompressorReduce JPG photo file size online. PNG CompressorReduce PNG file size when possible. WebP CompressorCompress WebP images for websites. Compress Image Under 100KBTry to reduce image size below 100KB. Compress Image Under 200KBTry to reduce image size below 200KB.

Resize Tools

Resize images and create common aspect ratios.

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Image ResizerResize images by width and height. Resize Image to 16:9Create widescreen 16:9 images. Resize Image to 9:16Create vertical 9:16 images. Resize Image to 1:1Create square images.

Calculators

Practical browser-based calculators and converters.

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File Size ConverterConvert decimal and binary file-size units, inspect a local file and estimate transfer time. KB to MB ConverterConvert kilobytes to megabytes, gigabytes and exact bytes. MB to GB ConverterConvert megabytes to gigabytes, kilobytes and exact bytes. Download Time CalculatorEstimate ideal download time from file size and connection speed. Upload Time CalculatorEstimate ideal upload time from file size and upload speed. Image File Size CalculatorEstimate uncompressed image size from pixel dimensions and color depth. DPI / Print Size CalculatorConvert pixels to print dimensions or calculate the pixels required for a print size. Aspect Ratio CalculatorSimplify width and height into a ratio, decimal value and orientation.

Text Tools

Count, check and transform text.

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Word CounterCount words and characters with or without spaces, plus sentences, paragraphs, lines and reading time as you type. Reading Time CalculatorEstimate reading and speaking time from your text using practical speed ranges. Title Case ConverterConvert text to title case, sentence case, uppercase or lowercase.

Files stay under your control. Tool pages show the supported formats and current limits. Browser-based processing is used whenever the selected tool supports it. File security & processing →