CLI for sharp.
Issues with the output should be reported on the sharp issue tracker.
$ npm install sharp-cli
$ sharp --help
CLI for sharp.
Usage
$ sharp [options] [files...]
$ cat <file> | sharp [options] > <output>
Examples
$ sharp --quality 50 -o dest.jpg src.jpg
$ sharp --width 250 -o dest/ src/*
$ sharp --grayscale src.jpg > dest.jpg
$ cat src.jpg | sharp --rotate 90 > dest.jpg
Options
--background Set the background color for --embed and --flatten operations.
--blur [number] Blur the output image, optionally specifying the blur radius.
--compressionLevel <number> zlib compression level, between 0 and 9, of the lossless PNG output
format. Defaults to 6.
--crop <string> Crop the resized image based on the specified gravity (north, east,
south, west, center).
--embed Resize the image, then embed on a background.
--extendTop <number> Pixels to add to the top edge. Use in conjunction with --extendLeft,
--extendBottom, and --extendRight.
--extendLeft <number> Pixels to add to the left edge. Use in conjunction with --extendTop,
--extendBottom, and --extendRight.
--extendBottom <number> Pixels to add to the bottom edge. Use in conjunction with
--extendTop, --extendLeft, and --extendRight.
--extendRight <number> Pixels to add to the right edge. Use in conjunction with --extendTop,
--extendLeft, and --extendBottom.
--extractHeight <number> Height of the region to be extracted. Use in conjunction with
--extractLeft, --extractTop, and --extractWidth.
--extractLeft <number> Left offset of the region to be extracted. Use in conjunction with
--extractHeight, --extractTop, and --extractWidth.
--extractTop <number> Top offset of the region to be extracted. Use in conjunction with
--extractHeight, --extractLeft, and --extractWidth.
--extractWidth <number> Width of the region to be extracted. Use in conjunction with
--extractHeight, --extractLeft, and --extractTop.
-f, --format <string> Output format (jpeg, png, webp, raw). Defaults to input format.
--flatten Merge alpha transparency channel, if any, with --background.
--flip Flip the image about the vertical Y axis.
--flop Flip the image about the horizontal X axis.
--gamma [number] Apply a gamma correction, optionally specifying a factor between 1
and 3. Defaults to 2.2.
--grayscale, --greyscale Convert to grayscale.
-h, --height <number> Scale output to height.
--help Output usage information.
--kernel <string> Kernel to use for image reduction (cubic, lanczo2, lanczo3). Defaults
to lanczo3. Use in conjunction with --width or --height.
--ignoreAspectRatio Stretch the image to the exact width and/or height specified.
--interpolator <string> Use the specified interpolator (nearest, bilinear, bicubic,
vertexSplitQuadraticBasisSpline (vsqbs), locallyBoundedBicubic (lbb),
nohalo) for image resizing. Use in conjunction with --width or
--height.
--limitInputPixels <number> Do not process input images where the number of pixels
(width × height) exceeds the specified amount.
--max Resize the image to be as large as possible while ensuring its
dimensions are less than or equal to the specified width and height.
--min Resize the image to be as small as possible while ensuring its
dimensions are greater than or equal to the specified width and
height.
--negate Produces the negative of the image.
--normalize, --normalise Enhance output image contrast.
-o, --output <string> The output filename, or directory when performing batch operations.
--optimizeScans, --optimiseScans
Calculate which spectrum of DCT coefficients uses the fewest bits.
Used for progressive (interlace) JPEG output.
--overlay <string> Alpha composite the specified file over the processed image.
--overlayGravity <string> Place the overlay baed on the specified gravity (north, east, south,
west, center). Use in conjunction with --overlay.
--overshootDeringing Reduce the effects of ringing in JPEG output.
--progressive Use progressive (interlace) scan for JPEG and PNG output.
-q, --quality <number> The output quality, between 1 and 100, to use for lossy JPEG, WebP,
and TIFF output formats. Defaults to 80.
--rotate [number] Rotate the output image by the specified angle (0, 90, 180, 270), or
auto-orient based on the EXIF Orientation tag.
--sequentialRead Switches the libvips access method to VIPS_ACCESS_SEQUENTIAL.
--sharpen <number> Sharpen the output image, optionally specifying the sharpen sigma.
--sharpenFlat <number> Specify the level of sharpeness to apply to "flat" areas. Defaults to
1.0. Use in conjunction with --sharpen.
--sharpenJagged <number> Specify the level of sharpeness to apply to "jagged" areas. Defaults
to 2.0. Use in conjunction with --sharpen.
--threshold <number> Specify the level above which pixels will be forced to white.
--tile [number] Applies square image pyramid tiles over the image, optionally
specifying a tile size between 1 and 8192. Defaults to 256 pixels.
--tileContainer <string> Specifies the tile container (fs, zip). Defaults to fs.
--tileLayout <string> Specifies the layout to use when generating square Deep Zoom image
pyramid tyles (dz, zoomify, google). Defaults to dz.
Use in conjunction with --tile.
--tileOverlap <number> Specifies the tile overlap, between 0 and 8192. Defaults to 0 pixels.
Use in conjunction with --tile.
--trellisQuantization, --trellesQuantisation
Apply the use of trellis quantization with JPEG output.
-v, --verbose Output image processing information.
-w, --width <number> Scale output to width.
--withoutAdaptiveFiltering Disable adaptive row filtering for the lossless PNG output format.
--withoutChromaSubsampling Disable the use of chroma subsampling with JPEG output (4:4:4).
--withoutEnlargement Do not enlarge the output image if the input image width or height
are already less than the required dimensions.
--withoutMetadata Exclude any metadata (EXIF, XMP, IPTC) from the output image.
In-depth documentation regarding the available options is available on the Sharp website.
See the Changelog for a list of changes.
The MIT License (MIT)
Copyright (c) 2016 Mark van Seventer
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
0.5.0 (June 21, 2016)
--kernel.--interpolateWith to --interpolator.FAQs
CLI for sharp.
The npm package sharp-cli receives a total of 7,328 weekly downloads. As such, sharp-cli popularity was classified as popular.
We found that sharp-cli demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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