MellowConvert: Image Converter
Batch JPG, PNG, HEIC & PDF
Only for Mac
Free · In‑App Purchases
Mac
Convert images and PDFs with ease. Batch processing, resizing, metadata cleanup, filename rules, and reusable presets make everyday conversions faster and more flexible.
Convert images to the format you need — quickly and easily.
MellowConvert is a batch image converter for Mac that lets you convert multiple image files to JPEG, PNG, HEIC, or PDF in one streamlined workflow.
Add individual files, choose an entire folder, or simply drag and drop your images. Select the output format, adjust conversion options, and process everything directly on your Mac.
Key Features
• Convert JPEG, PNG, HEIC, and PDF
• Batch-convert multiple images
• Quickly convert HEIC to JPG and PNG to JPG
• Merge multiple images into a single PDF
• Add individual files or entire folders
• Drag and drop support
• Adjust JPEG quality
• Keep original dimensions or resize by long edge
• Remove location, EXIF, and other sensitive metadata
• Customize output file naming
• Create JPG files optimized for the web
• Reduce photo file size
• Preview converted results
• Share individual or multiple results
• Open the output folder instantly
• Run the same conversion again
Private, On-Device Processing
Image conversion is performed locally on your Mac. Your image files are not uploaded to an external server for conversion, making MellowConvert suitable for personal photos as well as work files.
MellowConvert Pro
Pro unlocks a more powerful workflow, including larger batch jobs, recursive subfolder scanning, custom dimensions, file-name rules, and additional convenience features.
From everyday HEIC conversion and image resizing to web-ready JPG files and multi-page PDFs, MellowConvert keeps image conversion simple and efficient on your Mac.
- This app hasn’t received enough ratings or reviews to display an overview.
MellowConvert is now a more powerful and reliable conversion tool.
Added PDF-to-image conversion for formats such as JPG and PNG.
Convert multiple images into a single PDF.
Customize PDF page size and image fitting options.
Selectively remove metadata such as location, capture date, camera details, and more.
Save filename rules and conversion presets for faster repetitive workflows.
Improved folder importing and large batch conversion performance.
Conversion history is now organized by job, with options that can be reused for future conversions.
Improved messages for unsupported files, including password-protected PDFs.
Improved selection, scrolling, saving, and history performance for large batches.
Additional usability and stability improvements.
The developer, ChanGyu Kang, 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.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- ChanGyu Kang
- Size
- 1.3 MB
- Category
- Graphics & Design
- Compatibility
Requires macOS 13.0 or later.
- Mac
Requires macOS 13.0 or later.
- Mac
- Languages
English and 14 more
- English, Dutch, French, German, Italian, Japanese, Korean, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese, Turkish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- MellowConvert Pro $1.99
- Copyright
- © 2026 Nicechann Studio