Stellar Image Converter Alternatives

ImBatch is a batch image processor with a nice graphical user interface.

High-speed image batch conversion tool

RealityMAX is the most powerful free 3D design collaboration platform, 100% online. Cooperate remotely with your colleagues on 3D projects and easily share your work with clients. Create Web3D and AR experiences in a snap, without a line of code.

Visit website freemium $40.0 / Monthly (Pro with up to 500 GB of storage space)

Compress your pictures up to 90% without visible quality loss.

Open Source

XnConvert is an easy image converter for graphic files, photos and images available on Windows...

Ezgif.com is simple online gif maker and toolset for basic animated gif editing.

Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.

Phatch = Photo & Batch!

With BIMP you can apply a set of manipulations to an entire group of images!

Open Source

Easily convert photos and images between file formats in a batch or single file. Compress, rotate, resize, or add text and watermarks to any file. Free download.

PhotoBulk is a bulk image editor for Mac that was created for the best experience of batch editing. With this image editing software for macOS you can add watermarks, optimize and resize pictures, convert images or rename photos in bulk.

Online Image Converter converts your BMP, JPG, PNG, GIF or ICO files quickly and easily.

Image Converter Plus is a multifunctional conversion and resizing tool for Windows operating system.

A self-hosted drag-and-drop file conversion server that supports 59x file formats.

Open Source