diff --git a/README.md b/README.md index bbb8550..5061102 100644 --- a/README.md +++ b/README.md @@ -1,25 +1,18 @@ -LLCrop allows either [removal of unwanted outer areas from a JPEG-photo](https://en.wikipedia.org/wiki/Cropping_(image)) -or creation of zoom-ins. +While there are many apps capable of cropping images (often with additional features), they generally cause quality loss because they [re-encode to JPEG again](https://en.wikipedia.org/wiki/Lossy_compression) when saving the output file. -Load a JPEG photo, make a rectangular selection, to be saved as a new photo-file. +LLCrop (the "LL" stands for lossless) can [crop JPEG images without quality loss](https://en.wikipedia.org/wiki/Lossy_compression#JPEG) because it crops the raw JPEG image without re-encoding the file. It also preserves embedded metadata (EXIF/IPTC and XMP). -While there are many apps capable of cropping images (some with additional features) these apps cause [quality-losses caused by reencoding of JPEG](https://en.wikipedia.org/wiki/Lossy_compression). +Simply load a JPEG image from the in-app image browser, adjust the rectangular selection, and save it as a new image file. -LLCrop ("ll" stands for lossless) can do [cropping without quality-losses](https://en.wikipedia.org/wiki/Lossy_compression#JPEG) because it crops the raw JPEG photo, without -the need to reencode the JPEG image. It also preserves embedded metadata (EXIF/IPTC and XMP). - -Note: - -This app if focused on "lossless jpg" image manipulation so isses that propose additional features -like "add text to image" or support "png" file format are out of scope. +Note: This app is focused on lossless JPEG image manipulation, so issues that propose additional features (e.g. support for other file formats or adding text to images) are out of scope. --- ## Supported Workflows: -* [#1](https://github.com/k3b/LosslessJpgCrop/issues/1) From Android **App-Launcher**: +* [#1](https://github.com/k3b/LosslessJpgCrop/issues/1) From Android **app launcher**: * Pick an image and crop it to a new public file -* [#1](https://github.com/k3b/LosslessJpgCrop/issues/1) From any **File manager** or **Gallery app** that supports [intent-action-EDIT](https://developer.android.com/reference/android/content/Intent#ACTION_EDIT) for MIME *image/jpeg*: +* [#1](https://github.com/k3b/LosslessJpgCrop/issues/1) From any **file manager** or **gallery app** that supports [intent-action-EDIT](https://developer.android.com/reference/android/content/Intent#ACTION_EDIT) for MIME *image/jpeg*: * Crop current selected image to a new public file * [#2](https://github.com/k3b/LosslessJpgCrop/issues/2): From any app that supports [intent-action-SEND](https://developer.android.com/reference/android/content/Intent#ACTION_SEND) or [intent-action-SEND-TO](https://developer.android.com/reference/android/content/Intent#ACTION_SENDTO) for MIME *image/jpeg* * Send/SendTo/Share a cropped version of the currently selected image