ImageAutoPNG

Free Windows system-tray utility that watches a folder (default: Downloads) and silently converts .webp, .heic, and .heif images to .png.

Website: moseleyhost.com/AutoPNG
Author: heyjmo
License: MIT

If this saves you time, optional tips are welcome via PayPal. Never required.

Download

Grab the latest Setup build from Releases:

• ImageAutoPNG-Setup.exe — recommended installer
• ImageAutoPNG.exe — portable (optional)

Windows may show SmartScreen (“Unknown publisher”) because the app is not code-signed. Choose More info → Run anyway. That is normal for free tools from independent authors.

Features

• Tray icon only
• Instant convert when matching files appear
• Choose any watch folder
• Optional delete originals after convert
• Start with Windows
• Per-user install (no admin)
• Uninstall from Settings → Apps

Build from source

Requires Python 3.10+ on Windows.

pip install -r requirements.txt
python app.py

Installer EXE:

python build_exe.py

Outputs land in release/.

Config & log

%USERPROFILE%\.imageautopng\config.json
%USERPROFILE%\.imageautopng\convert.log

Publishing / website

See PUBLISHING.md for GitHub, donations, and FTP re-upload of the one-pager.

Privacy

All conversion is local. No accounts, no telemetry, no upload of your images.