File Converter is a very simple tool which allows you to convert and compress one or several file(s) using the context menu in Windows Explorer.


File Converter is a very simple tool which allows you to convert and compress one or several file(s) using the context menu in Windows Explorer.


ImageMagick is a software suite to create, edit, and compose bitmap images. It can read, convert and write images in a variety of formats (about 100) including GIF, JPEG, JPEG-2000, PNG, PDF, PhotoCD, TIFF, and DPX.


Caesium Image Compressor lets you compress your pictures up to 90% without visible quality loss. Providing a simple yet effective interface with a real-time preview and multiple image processing at the same time, everyone will be able to reach the best result.



Free macOS app that shrinks images, videos, and PDFs by drag-and-drop, supporting various formats, flattening or rewriting PDFs, and removing metadata.




ImageOptim is excellent for publishing images on the web (easily shrinks images “Saved for Web” in Photoshop). It's useful for making Mac and iPhone/iPad applications smaller (if you configure Xcode to allow better optimization).

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


Get up to 90% smaller media files with minimal quality loss, in batches. Lightweight desktop app: fast, offline & secure. PDF, MP4, WebM, WebP, AVIF and 102+ more formats. Drag'n'drop, reusable presets, automations, MCP.




Compress images, videos, and PDFs locally with batch processing, full privacy, quality preservation, and drag-and-drop workflow, all on your Mac.




FileOptimizer is a lossless file size optimizer supporting AIR, APK, APNG APPX, BMP, CBZ, DOCX, DLL, EPUB, EXE, GIF, GZ, ICO, JAR, JPEG, MNG, MP3, MPP, PNG, PPTX, ODT, OGG, OGV, PDF, PUB, SCR, SWF, TIF, VSD, WEBP, XAP, XLSX, and ZIP file formats among others.






Optimize images efficiently supporting PNG, JPEG, WebP, and SVG with flexible compression settings offering safe mode to prevent data loss.

Node-based batch image processor that runs entirely in your browser. No signup, no uploads to cloud — your images never leave your device. Build visual pipelines (Load ? Resize ? Crop ? Compress ? Export), process hundreds of images in one click, download as ZIP.



Compress images with pixel-perfect precision using advanced algorithms that preserve quality while dramatically reducing file sizes.



Switcheroo is designed to give you a simple, quick, and easy-to-use tool to convert and manipulate your images in whatever way you like. It is built on top of the most advanced image editing libraries, ImageMagick.



Saving images for web/email/other media with the best compression ratio and quality is a difficult task if you don’t have the right tools. Choosing the right format then choosing the right parameters are the key factors of smaller files.


Edit and convert video, audio, and images with batch processing, combining, cropping, compression, resizing, text, overlays, filters, and waveform creation.




Free, open-source app for compressing and editing videos or images across Linux, Windows, and macOS, with batch, offline processing and universal format support.




Native Mac tool for lossless image compression, private on-device processing, batch optimization, format conversion, metadata stripping, and deep per-format controls.




TrimrPix shrinks image file sizes on your Mac without visible quality loss. Supports JPEG, PNG, GIF, WebP, AVIF, and HEIC. Drag, drop, done — fully offline, no subscriptions.



Reduce PNG file sizes by 50-80% using smart compression while maintaining transparency. TinyPNG optimizes images to speed up websites and save bandwidth.

Efficient file API with real-time processing, CDN delivery, multi-source uploads, AI ops, EXIF-based rotation, and robust security features.




Batch convert, rename, and edit images with resizing, cropping, color and watermark options, sequential renaming, preview, and support for major formats.

-Combines PNGOUT, OptiPNG, and DeflOpt to create the smallest PNGs -No image quality is lost — only file size -Converts JPG, GIF, TIFF, and BMP files to PNG -Ultra-configurable
PNGGauntlet is a .NET program that uses Ken Silvermans PNGOUT, OptiPNG and DeflOpt to optimize PNG fil.

Resize, compress, and convert images with batch support. Integrated shell access for quick editing, high-resolution settings, custom watermarks, and PDF conversion.



