이미지변환기 - 오프라인 포맷 변환

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About this app

📷 Image Converter — Image conversion completed on your phone without server uploads

It safely converts formats exclusively on your device without uploading photos or image files to an external server. The conversion function works even when the internet is turned off.

✔ Why is it safe?

The image converter processes images 100% internally (on-device) without uploading. The target image files are not transmitted to any external server, including the developer's server, and no one, including the developer, can view their contents.

✔ Supports various formats

- Input: JPG, JPEG, PNG, GIF, BMP, ICO, TIFF, WebP, AVIF, HEIC/HEIF (iPhone photos)

- Output: JPG, PNG, WebP, AVIF, BMP, ICO, TIFF, GIF

You can easily convert HEIC photos taken on your iPhone into JPGs that open anywhere, and large files into web-optimized WebP or AVIF formats.

✔ Directly adjust image quality

You can finely adjust compression quality between 1 and 100 using a slider, and the High Quality Resampling (Lanczos3) algorithm minimizes image degradation even during resizing. You can also reduce large photos in one go by specifying the maximum resolution.

✔ Built-in privacy protection

During the conversion process, EXIF ​​metadata such as GPS location, shooting device, and date and time is automatically removed from the photos. You don't have to worry about your location being inadvertently exposed to map apps or other applications.

✔ Convert multiple photos at once

You can select up to 5 photos at a time to convert them sequentially, and you can check the progress via notifications while the conversion is in progress. You can also start the conversion by sending photos directly from other apps via the "Share" menu.

✔ No account required

You can use the app immediately after installation without signing up or logging in. No personal information is stored on the server.

✔ Korean · English support

You can switch languages ​​directly in the in-app settings. 📌 User Guide

- The app is free to use and includes advertisements (Google AdMob) to support its operation.

- To ensure smooth service operation, there is a limit of 5 conversions per batch.

- Converted files are saved in the "Downloads > Image Converter" folder on your device.

The Image Converter can be used safely and conveniently in various situations, such as organizing travel photos, ensuring photo compatibility between iPhone and Android, optimizing image file sizes for blogs and online stores, and ensuring compatibility with older image editing programs.

What’s new

📷 이미지변환기 — 서버 업로드 없이, 내 폰 안에서 끝나는 이미지 변환

사진이나 이미지 파일을 외부 서버에 올리지 않고, 오직 내 기기 안에서만 안전하게 포맷을
변환합니다. 인터넷이 꺼져 있어도 변환 기능은 그대로 동작합니다.

✔ 왜 안전한가요?
이미지변환기는 업로드 없이 100% 기기 내부(온디바이스)에서 이미지를 처리합니다. 변환 대상
이미지 파일은 개발자의 서버는 물론 어떤 외부 서버로도 전송되지 않으며, 개발자를 포함해
누구도 그 내용을 볼 수 없습니다.