検証済みの機能

圧縮・サイズ変更・変換

ファイルサイズ、寸法、比率、JPG・PNG・WebP 出力を設定します。

解決できる問題: Large or inconsistently sized images are harder to share, upload, print, and store.

ファイルサイズ、寸法、比率、JPG・PNG・WebP 出力を設定します。
ファイルサイズ、寸法、比率、JPG・PNG・WebP 出力を設定します。

できること

  • Compress multiple images with use-case presets or a target file size.
  • Resize by percentage, exact width and height, or long edge.
  • Convert selected images to JPG, PNG, or WebP.
  • Choose whether compatible conversions retain EXIF data or remove location information.

設定できる項目

  • Compression presets for messaging, social sharing, email, or high quality
  • Target size from 100 KB to 2 MB in the current compression interface
  • Resize values from 1 to 16384 pixels
  • Keep original dimensions and choose image quality
  • Keep color profile where supported

対応する入力

  • Images readable by the Android image workflow
  • HEIC input when supported by the device decoder

出力

  • JPG
  • PNG
  • WebP

ワークフロー

  1. Select one or more source images.
  2. Choose compression, resize, or format conversion.
  3. Configure size, dimensions, output format, quality, and metadata settings.
  4. Run processing and review the output.
  5. Save the verified result.

制限事項

  • JPG does not preserve transparent pixels; transparent input is flattened during JPG conversion.
  • Available decoding support can vary by Android device and source format.

よくある質問

Which output formats are available?

The verified conversion workflow exports JPG, PNG, and WebP.

Can resizing use exact pixel dimensions?

Yes. Batch resize supports exact width and height, percentage scaling, and a long-edge value.

プロジェクトの根拠

  • feature/feature_app/src/main/java/com/wkq/photo/feature/app/compression/CompressionFragment.kt
  • feature/feature_app/src/main/java/com/wkq/photo/feature/app/formatconvert/FormatConvertFragment.kt
  • feature/feature_app/src/main/res/values/batch_resize_strings.xml
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