Lumia Converter

Convert, Compress & Resize

Free · Designed for iPad. Not verified for macOS.

Convert, compress, resize, and batch-process images directly on your iPhone or iPad. Keep your photos private with fast, on-device processing and flexible exports. Convert and optimize images quickly with Lumia Converter — a private, easy-to-use image utility for iPhone and iPad. Everything is processed directly on your device. Your images are never uploaded to a server, and no account is required. CONVERT IMAGES Convert between JPG, PNG, HEIC, TIFF, and other formats supported by your device. Adjust output quality, preserve or remove metadata, and choose a background color when converting transparent images to JPG. COMPRESS FILE SIZE Reduce image file sizes using simple quality presets or custom settings. Preview the estimated output and compare the actual file size after processing. RESIZE WITH PRECISION Resize images by pixels or percentage while preserving the original aspect ratio. Quickly apply presets for 4K, 1080p, 720p, square posts, stories, and web content. BATCH CONVERSION Process multiple images using the same output settings. Follow the progress of each image, retry failed items, save completed images to Photos, or export them together as a ZIP file. CLEAR RESULTS See the original and output format, dimensions, file size, and percentage saved before exporting. FLEXIBLE EXPORT Save results to Photos or Files, or share them using the system Share Sheet. Lumia Converter never modifies your original images. CONVERSION HISTORY Review details of completed operations without storing copies of your source images. History data can be cleared whenever you choose. QUICK ACTIONS Use the Home Screen widget to jump directly to Convert, Compress, Resize, or Batch. LUMIA CONVERTER PRO Upgrade to unlock larger batch jobs, advanced output formats where supported, ZIP export, and additional professional tools. Weekly, monthly, yearly, and lifetime purchase options may be available. PRIVATE BY DESIGN • Images are processed locally • No image uploads • No account required • Original images remain unchanged • Photos access is requested only when needed Whether you need to convert HEIC photos for compatibility, reduce image sizes before uploading, or prepare multiple images for sharing, Lumia Converter gives you a fast and focused workflow.

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The developer, Hoang Kim Giang, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Hoang Kim Giang
    Size
    • 7.2 MB
    Category
    • Photo & Video
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English and 5 more
    • English, Japanese, Portuguese, Simplified Chinese, Spanish, Vietnamese
    Age Rating
    4+
    Copyright
    • © SangBinhDinh
  • Developer Website
  • Privacy Policy