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Showing 341–360 of 580 tools
PDF page extractor
A PDF containing selected pages in your order. Parse 1-based page numbers and ranges, then copy the selected pages into a new PDF.
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PDF page remover
A PDF retaining the unselected pages. Validate 1-based page ranges and copy the remaining pages into a new PDF.
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PDF to grayscale
Create an image-only grayscale PDF from a local document. Pages are rasterized at your chosen resolution; searchable text, links and forms are removed.
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PDF to HTML converter
HTML sections with extracted text from each PDF page. Use PDF.js to read text items by page and write escaped HTML paragraphs.
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PDF to SVG Converter
An SVG image containing a rasterized PDF page. Render the selected PDF page with PDF.js and place its PNG appearance inside an SVG.
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Pendulum Period Calculator
Small-angle pendulum period = 2π × √(length / gravity).
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Percent Change Calculator
Calculate percentage change and absolute difference between a positive starting value and a new value.
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Percent Difference Calculator
Calculate symmetric percent difference using the two-value average.
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Percent Error Calculator
Calculate absolute percent error relative to a reference.
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Percentage Calculator
Result = percentage × base amount / 100.
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Percentile Calculator
Find a percentile by linear interpolation in sorted data.
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Percentile Rank Calculator
Calculate a midrank percentile as 100 × (below + half the equal count) / n.
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Permutation Calculator
Count ordered selections without repetition.
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Pipe Volume Calculator
Find material volume of a hollow circular cylinder as π(R² − r²)L.
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Pixel To Inch Converter
Printed inches = pixel length / pixels per inch.
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Pixelate Image
Downsample then enlarge with nearest-neighbor interpolation.
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PNG to ICO Converter
Create a Windows icon with six sizes from a local PNG. Non-square images are centered without stretching, with transparency retained where supported.
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PNG To JPG Converter
Decode the selected PNG image and encode a JPEG file at the same pixel dimensions.
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PNG To WEBP Converter
Decode the selected PNG image and encode a WebP file at the same pixel dimensions.
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Point Reflection Calculator
Reflect a Cartesian point across a selected axis or the origin.
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