Question 1

Do my photos leave my device?

Accepted Answer

No. Nhật Phúc decodes, edits and exports your photos on your device. There is no image upload or processing server. Metadata is removed by default; you can choose to retain JPEG EXIF in Output settings.

Question 2

Can I use Nhật Phúc offline?

Accepted Answer

Yes. After the first complete load, the production app caches its tools, fonts and language files. Open it again on the same browser to edit without an internet connection.

Question 3

Which image formats can I use?

Accepted Answer

Import JPG, PNG, WebP, BMP, SVG, the first GIF frame, and AVIF when supported. Export JPG, PNG, and browser-supported WebP or AVIF. HEIC/HEIF and animated exports are not supported in v1.

Question 4

Can I export several sizes at once?

Accepted Answer

Absolutely. Select multiple presets and each photo becomes a file for each selected size. Two photos with three presets produce six files, conveniently packaged in a ZIP.