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 | If Cropbot is not working, you can tryCropTool. |
Cropbot is abot provided byLuxo and is able to crop JPEG images. (Clickhere to see Cropbot's current edit count.)
With Cropbot you are able to crop images without downloading them on your computer. You mustcreate a TUSC-Account, then you canlog in the cropbot-interface at tool labs. Then you can specify the image file to be cropped, the interface shows the desired image with a green border. By mouse click-and-drag you select the remaining image area, a preview shows the result. After confirming the expected crop, Cropbot uploads the cropped image with the same or optionally with a different name.If you select a different name, a note of the cropped version is placed at the original file byBilderbot at 02:00 UTC. If you upload with the same name, you can ask the bot to search for{{Remove border}}, if it finds it, it will remove it.
If you put the following javascript inyour common.js (oryour vector oryour monobook) you have a link in your tools to crop this file.
$(function(){if(wgNamespaceNumber==6){if(wgTitle.match(/(.*)\.(jpg|jpeg)/gi)){varcroplink="//tools.wmflabs.org/cropbot/cropbot.php?img="+wgTitle;mw.util.addPortletLink("p-tb",croplink,"Crop","p-crop","Crop this image","o",false);}}});
It crops JPEGs with thelossless tooljpegtran or with the toolImageMagick.
lossless cropping at the moment not available.
Because when cropping lossless, images of sizes which are not a multiply of the JPEG block (16 × 16 pixels for color images, 8 × 8 pixels for grayscale images) have to be cropped to the block boundary, which is mostly not exact there where you have selected.Because of that you have the feature "Crop exactly", which isnot lossless, but it cuts exactly that what you have selected.
Cropbot works on request only, every time a user asks it to crop a file.
Look in the file history which user operated the bot; then ask this user.It is futile to complain about wrong crops on the talk page of this bot; user can't see that. This bot shows in each edit summary which user operates the bot; ask this user. If you can't stop it, ask a admin to block the bot and notify User:Luxo on histalk page.
Cropbot is free software. You will find the source code and license for the toolhere.