Convertio is a browser-based file converter that handles more than 300 formats and more than 25,600 conversion types.
Alternatives to Photopus
FreeConvert GIF Maker turns uploaded images into animated GIFs in a web browser.
Zamzar API is a REST-based HTTP service for integrating file conversion into mobile, web, or desktop applications.
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Aspose.Imaging
Aspose.Imaging provides browser-based image conversion alongside APIs and cross-platform image-processing apps.
Free planAndroidiOSWebAPI8.1$999 one-time - 5

CloudConvert Audio Converter
CloudConvert Audio Converter converts audio files online through a web application, with API access for automated workflows.
Free planAndroidiOSWebAPI8.1From $10 a month - 6
XnConvert
XnConvert is a batch image converter for automating edits across photo collections on Windows, macOS, and Linux.
Free planAndroidLinuxmacOSWindows7.9€6.50 one-time - 7

ImageMagick
ImageMagick is a free, open-source software suite for creating, editing, converting, composing, and manipulating digital images.
Free planOpen sourceAPILinuxmacOSSelf-hosted7.5Free plan - 8
Converseen
Converseen is a free batch image processor for Windows, Linux, macOS, FreeBSD, and other operating systems.
Free planOpen sourceLinuxmacOSWindows7.3Free plan - 9
GraphicsMagick
GraphicsMagick is free software for image conversion, processing, and 2D vector rendering.
Free planOpen sourceAPILinuxmacOSSelf-hosted7.3Free plan - 10
BatchPhoto
BatchPhoto automates repeatable photo work, including resizing, converting, cropping, watermarking, date stamping, and renaming.
macOSWindows7.1$29.95 one-time - 11

reaConverter
reaConverter converts, edits, and automates batches of CAD, RAW, DICOM, 3D, PDF, and image files.
WebAPIExtensionWindows6.6From $49 a year - 12
ImageCool Converter
ImageCool Converter is a Windows desktop application for batch-converting, processing and viewing image files.
Free planWindows6.5$9.95 one-time - 13
Online-Convert GIF Converter
Online-Convert GIF Converter changes images from many formats into GIF files and can create animated GIFs from video clips.
WebAPIExtension6.5From €22.42 a month - 14
Quick Any2Ico
Quick Any2Ico is a portable Windows application for creating icon files from files, folders, and resources.
Free planWindows6.5$20 one-time - 156.3$39.95 one-time
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Ezgif
Free planWeb6.1Free plan - 17
GiliSoft Image Converter
Windows6.1From $29.95 a year - 18
ImageOptim
ImageOptim API is a service for optimizing images, with batch processing, resizing, and metadata controls.
API6.1From $12 a month - 19

Light Image Resizer
Light Image Resizer is a Windows app for resizing, compressing, and converting single images or batches.
Windows6.1$24.99 one-time - 20
Pillow
Pillow is a free Python library for opening, editing, and saving image files.
Free planLinuxmacOSWindows6.1Free plan - 21
Pixillion Image Converter
Pixillion Image Converter is a desktop application for converting image files between formats such as JPEG, PNG, GIF, PDF, BMP, RAW, PSD, ICO, and HEIC.
Free planmacOSWindows6.1Free plan - 22
6.0Free plan - 23
libvips
libvips is a free, open-source image-processing library built for demand-driven, horizontally threaded work with low memory use.
Free planLinuxmacOSSelf-hostedWindows6.0Free plan - 24
LocalPix
LocalPix is a free desktop app for converting image files between formats on macOS and Windows.
Free planmacOSWindows6.0Free plan - 25

Sharp
Sharp is a free, open-source Node-API module for image processing in JavaScript runtimes.
APILinuxmacOSSelf-hosted6.0 - 26

AutoImager
Windows5.9$60 one-time - 27
GConvert
Windows5.9$25 one-time - 28
Universal Image Converter
Universal Image Converter is a free Windows desktop tool for converting image files between formats, including JPG, PNG, WEBP, TIFF, BMP, HEIC, ICO, and others.
Free planWindows5.9Free plan - 29
Image Converter Plus
Windows5.8$19 one-time - 30
Online Image Converter
Online Image Converter is a free web application that converts BMP, JPG, PNG or SVG images into C arrays for LVGL projects.
Web5.7
