CompressX is a free WordPress plugin that allows users to convert and compress images to AVIF and WebP formats, replacing media files without changing URLs. Below are 39 image editing apps with similar functionality to CompressX, matched by what each product actually does — not ranked or scored. Explore each to find the closest fit for your use case.
Image Optimizer is a WordPress plugin that automatically compresses, resizes, and converts images to modern formats like WebP and AVIF. It helps site owners improve loading times, user experience, and search engine rankings by optimizing images in bulk or on upload.
WebP Image Optimization is a WordPress plugin that automatically converts JPEG and PNG images to WebP or AVIF formats, resizes images, and integrates with the Media Library. It helps site owners improve performance and save storage by optimizing images efficiently.
DropAvif Image Optimizer is a WordPress plugin that converts images to WebP and AVIF formats, compresses images, and optimizes media delivery for improved site performance. It offers unlimited local optimization, watermarking, and lazy loading, making it ideal for WordPress site owners seeking faster load times and better SEO.
Pixy Image Optimizer is a WordPress plugin that automatically converts and compresses images to AVIF and WebP formats, enabling faster load times and improved browser compatibility. It features lazy loading and real-time optimization for site owners focused on performance.
Shrinkify Image Compression is a WordPress plugin that optimizes images by converting them to AVIF and WebP formats using the Shrinkify API. It helps site owners improve performance and SEO by reducing image file sizes with minimal effort.
Image Optimizer PRO is a WordPress plugin that automatically optimizes images and serves them in AVIF or WebP formats for improved site speed. It uses a global CDN for fast delivery and requires no manual conversion by users.
Convert to AVIF and Optimise is a WordPress plugin that automatically converts images in the media library to the AVIF format, optimizing file sizes and updating all references across the site. It offers bulk optimization, quality settings, and metadata management for improved website performance.
SlashImage is a WordPress plugin that streamlines image optimization by automatically compressing images and converting them to WebP and AVIF formats. It operates in the background, reducing file sizes and improving website performance without manual intervention. The plugin is ideal for website owners and content managers seeking to enhance site speed and SEO through efficient image delivery.
Shrinkwell Image Optimizer is a WordPress plugin that compresses images, converts them to modern formats like WebP and AVIF, and identifies possibly unused media. All processing is done locally, ensuring privacy and efficiency for site owners and agencies.
Basic Image Converter and Optimizer is a WordPress plugin that automatically generates WebP and AVIF versions of uploaded JPEG and PNG images using ImageMagick. It helps site owners reduce bandwidth and improve page load times by serving optimized image formats. The plugin integrates with the WordPress media library and offers configurable quality settings.
Cleanor: Image Compressor & Converter is a WordPress plugin designed to optimize images within the WordPress Media Library. It addresses the need for faster website performance and reduced storage usage by shrinking image file sizes and converting them to modern formats such as WebP and AVIF. The plugin operates without requiring users to create an account, enter an API key, or purchase per-image credits. Instead, it utilizes a free endpoint provided by Cleanor Labs, allowing users to access its optimization features without any signup or payment process. Once activated, Cleanor automatically optimizes every new image upload, including thumbnails, enabling a "point-and-forget" workflow for site administrators and content creators. For websites with an existing large collection of images, the tool offers a one-click bulk optimizer to process all images already stored in the Media Library. A key feature of Cleanor is its non-destructive approach: original image files and their URLs remain unchanged, while optimized WebP and AVIF copies are stored alongside the originals and served automatically. The plugin is particularly suited for WordPress site owners and administrators seeking to improve page load times, enhance PageSpeed and Core Web Vitals scores, and minimize storage requirements. Cleanor is delivered as a WordPress plugin and operates via integration with the Cleanor Labs endpoint for image processing. According to the evidence, the plugin is free to use and does not require any form of account registration or payment for optimization services. Overall, Cleanor: Image Compressor & Converter fits within the class of WordPress image optimization tools, offering automated, account-free compression and format conversion for improved website performance.
Image Format Converter is a WordPress plugin that enables administrators to convert images in the media library between modern formats like WebP and AVIF, as well as standard PNG and JPG. It supports bulk conversion, proportional resizing, and provides real-time progress feedback. Designed for WordPress site admins seeking efficient image management.
Compresso is a WordPress plugin that automatically compresses and converts images to WebP format, optimizing site performance. It requires no setup or API keys and processes images directly on the user's server, ensuring privacy and efficiency.
Image Converter & Optimizer is a WordPress plugin that allows users to convert images between formats like PNG, JPG, GIF, WebP, and AVIF, and optimize them for web use. It supports bulk and automatic conversion and optimization, helping WordPress site owners manage media efficiently.
Compressify Net is a WordPress plugin that connects to the Compressify API to automatically compress and convert images on upload. It supports bulk optimization and modern formats, helping site owners improve performance and reduce bandwidth.
Hedef Image Optimizer — WebP & AVIF is a WordPress plugin that automatically converts JPEG and PNG images to modern WebP and AVIF formats. It processes images locally for better performance and offers bulk optimization, helping site owners improve loading speed and user experience.
OmegaPix Image Optimizer is a WordPress plugin that automatically optimizes and converts uploaded images to WebP or AVIF formats directly on your server. It ensures privacy by processing all images locally, never sending files to external services. Designed for WordPress site owners seeking better performance and GDPR compliance.
DZIEWA Media Converter is a free WordPress plugin that automatically converts JPEG and PNG images to AVIF and WebP formats, rewriting content to use modern image formats with fallback support. It helps site owners optimize images for faster loading and better performance.
imagIn – WebP & AVIF Converter is a WordPress plugin that enables users to convert JPG, JPEG, and PNG images to modern WebP or AVIF formats directly on their own server. It integrates with the WordPress media library, offers customizable quality settings, and does not require any external cloud service or API. Ideal for site owners seeking local, privacy-friendly image optimization.
JZB Image Auto AVIF is a WordPress plugin that helps site owners automatically generate and serve AVIF and WebP versions of their images. It uses a non-destructive cache system and dynamic HTML output buffering to optimize images without altering originals, improving site performance and compatibility.
Squeeze is a WordPress plugin that enables unlimited local image compression and WebP conversion directly in the browser, without requiring API keys or cloud uploads. It helps site owners optimize their media libraries for faster load times and improved privacy, making it ideal for privacy-conscious WordPress users.
Harvify Image Optimizer for WebP and AVIF is a WordPress plugin that allows administrators to convert Media Library images to modern formats directly in the browser. It uses client-side processing to avoid server resource limits, making it ideal for shared hosting environments.
Vacuum Image Optimizer is a WordPress plugin that optimizes images by generating WebP and AVIF formats locally, with bulk processing, backup, and restore features. It operates entirely within your WordPress site, requiring no external API or account. Designed for site owners seeking efficient, modern image optimization.
Image Squeeze is a WordPress plugin that helps users optimize their website images by compressing them and converting to WebP format. It supports bulk optimization, automatic compression on upload, and is compatible with WooCommerce and Elementor.
WP Compress is a WordPress plugin that boosts website performance through smart image optimization, advanced caching, adaptive images, WebP support, and optional CDN delivery. It is designed for site owners who want faster load times and improved SEO.
Smart Image Optimizer is a WordPress plugin that compresses images and converts them to modern formats like AVIF and WebP. It supports automatic optimization on upload, bulk processing, and lazy loading, helping site owners improve page speed and SEO without third-party APIs.
Web Pixel Studio Image Compressor is a WordPress plugin that automatically optimizes images on upload, offering conversion to WebP, adjustable quality, and compression settings. It helps site owners improve performance and manage media efficiently with one-click and automatic optimization features.
Anek Image Optimizer is a WordPress plugin that compresses images, generates next-gen formats like WebP and AVIF, and supports multiple optimization libraries. It runs entirely on your server, ensuring privacy and faster site performance.
Soovex WebP Converter is a WordPress plugin that converts images in the media library to the WebP format, optimizing file sizes for faster page loads and improved SEO. It offers unlimited conversions, smart backups, and seamless integration for site owners who want better performance without manual effort.
AVIF Local Support is a WordPress plugin that enables local, high-quality AVIF image conversion and delivery for site owners. It processes images on your server, preserves metadata, and offers full control over quality and conversion settings. Ideal for users who want to optimize images without external dependencies.
Modern Image Formats is a WordPress plugin that automatically converts uploaded images to WebP or AVIF formats, improving website performance and load times. It integrates with WordPress media settings and supports both automatic and manual image regeneration. The plugin is designed for site owners seeking better image optimization.
Designed2Use Convert to WebP/AVIF is a WordPress plugin focused on privacy-first image optimization. Unlike many image optimizers that process files through third-party cloud services, this plugin handles all image conversions locally on the user's own server. It uses WordPress's built-in image editor, leveraging Imagick and falling back to GD when necessary, to convert images to WebP or AVIF formats. No external accounts, API keys, or external requests are required, and the plugin does not transmit images or data offsite. A key feature is its reversibility: all conversions can be undone, allowing for one-click restoration of original files. Bulk conversion is supported, and the option to keep original files during uploads ensures that users retain full control over their media. The tool is designed for WordPress site owners or administrators who prioritize privacy and want to maintain exclusive control over their image assets without relying on external services or exposing their media to third-party servers. There is no mention in the available evidence of pricing, licensing terms, or additional integrations beyond its use within the WordPress environment. The plugin positions itself as an alternative to popular optimizers by emphasizing its local processing and privacy guarantees.
PuffPix Compress is a WordPress plugin that automatically compresses and optimizes images as they are uploaded, reducing file sizes without quality loss. It supports bulk optimization, EXIF data removal, and works via a cloud API, helping site owners improve performance and Core Web Vitals.
ImgSmaller is a WordPress plugin that compresses and optimizes images in your media library using the ImgSmaller API. It supports modern formats like WebP and AVIF, provides automated backups, one-click restore, and quota management. Ideal for WordPress site owners seeking faster load times and efficient image handling.
Skyspeed is a WordPress plugin that automatically optimizes images, resizes large uploads, and converts images to next-generation formats like WebP and AVIF. It helps site owners improve loading times and SEO by reducing image file sizes without sacrificing quality. The plugin is designed for WordPress users seeking better site performance.
Highcompress Image Compressor is a WordPress plugin that leverages AI and deep learning to compress images, reducing file sizes while maintaining quality. It supports various image formats, offers multiple compression levels, and helps improve website speed and SEO. Suitable for blogs, e-commerce, and media-rich sites.
Image Compressor WebP by htmlrunner is a WordPress plugin that converts JPEG and PNG images in your media library to the WebP format, reducing file sizes while maintaining quality. All processing occurs on your own server, ensuring privacy and compliance with data regulations. It is designed for WordPress site owners seeking efficient, private image optimization.
NT Image WebP & AVIF Converter is a WordPress plugin that allows users to convert JPEG and PNG images to WebP and AVIF formats in bulk or automatically. It provides logs and stats to help site owners optimize image performance. The plugin is currently closed pending review.
ThumbPress is a WordPress plugin that helps site owners optimize images by compressing files, managing and disabling thumbnails, converting images to WebP/AVIF, enabling lazy loading, and cleaning up the media library. It is designed to improve site speed and storage efficiency.
