pngjs

PNG encoder/decoder in pure JS, supporting any bit size & interlace, async & sync with full test suite.

v7.0.0 URL: https://unpkg.com/pngjs@7.0.0/lib/png.js

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PNG decoder encoder js-png node-png parser png png-js png-parse pngjs

heic2any

Converting HEIC/HEIF to PNG/JPEG/GIF in the browser

v0.0.4 URL: https://unpkg.com/heic2any@0.0.4/dist/heic2any.js

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HEIC HEIF PNG image conversion

zpl-image

A pure javascript module that converts PNG, JPEG, and GIF to Z64-encoded GRF bitmaps for use with ZPL.

v0.2.0 URL: https://unpkg.com/zpl-image@0.2.0/zpl-image.js

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image ZPL Z64 GRF PNG JPEG GIF

pngjs-nozlib

PNG encoder/decoder in pure JS, supporting any bit size & interlace, async & sync with full test suite.

v1.0.0 URL: https://unpkg.com/pngjs-nozlib@1.0.0/lib/png.js

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PNG decoder encoder js-png node-png parser png png-js png-parse pngjs

pngjs-image

JavaScript-based PNG image encoder, decoder, and manipulator

v0.11.7 URL: https://unpkg.com/pngjs-image@0.11.7/index.js

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PNG image manipulation filter alpha