diff --git a/pages/common/oxipng.md b/pages/common/oxipng.md new file mode 100644 index 0000000000..0b55ed0e00 --- /dev/null +++ b/pages/common/oxipng.md @@ -0,0 +1,36 @@ +# oxipng + +> Losslessly improve compression of PNG files. +> More information: . + +- Compress a PNG file (overwrites the file by default): + +`oxipng {{path/to/file.png}}` + +- Compress a PNG file and save the output to a new file: + +`oxipng --out {{path/to/output.png}} {{path/to/file.png}}` + +- Compress all PNG files in the current directory using multiple threads: + +`oxipng "*.png"` + +- Compress a file with a set optimization level (default is 2): + +`oxipng --opt {{0|1|2|3|4|5|6|max}} {{path/to/file.png}}` + +- Set the PNG interlacing type (`0` removes interlacing, `1` applies Adam7 interlacing, `keep` preserves existing interlacing; default is `0`): + +`oxipng --interlace {{0|1|keep}} {{path/to/file.png}}` + +- Perform additional optimization on images with an alpha channel: + +`oxipng --alpha {{path/to/file.png}}` + +- Use the much slower but stronger Zopfli compressor with max optimization: + +`oxipng --zopfli --opt max {{path/to/file.png}}` + +- Strip all non-critical metadata chunks: + +`oxipng --strip all {{path/to/file.png}}`