內容簡介
Opti Ninja Image Optimizer 是一款專為 WordPress 設計的影像優化外掛，能直接從媒體庫壓縮和優化圖片，支持 JPEG、PNG、WebP、AVIF 和 HEIC 格式。此外掛可減少圖片檔案大小，提升頁面速度與 Core Web Vitals，並保留圖片的 URL、檔名和元資料。
【主要功能】
• 支援 JPEG、PNG、WebP、AVIF 和 HEIC 格式的壓縮
• 批次優化媒體庫中的所有圖片
• 自動優化新上傳的圖片
• 可選擇備份原始圖片檔案
• 背景處理優化任務，無需保持頁面開啟
• 轉換圖片格式為 WebP 和 AVIF
外掛標籤
開發者團隊
② 後台搜尋「Opti Ninja Image Optimizer – Compress Images, WebP & AVIF」→ 直接安裝（推薦）
原文外掛簡介
Opti Ninja Image Optimizer helps you optimize and compress WordPress images directly from your Media Library. Reduce image file sizes, convert images to WebP and AVIF, improve page speed, and boost Core Web Vitals without changing image URLs, filenames, alt text, or attachment metadata.
Connect your WordPress site to your opti.ninja account and optimize JPEG, PNG, WebP, AVIF, and HEIC images individually or in bulk.
Why use Opti Ninja?
Image optimization for WordPress
Image compression for JPEG, PNG, WebP, AVIF, and HEIC
Bulk image optimization for your Media Library
WebP converter and AVIF converter
Reduce image file sizes
Improve page speed and Core Web Vitals
Automatic image optimization for new uploads
Background image optimization jobs
Optional backups with one-click restore
Preserve image URLs, filenames, alt text, and metadata
Features
Optimize the full-size image and selected WordPress-generated image size variants
Bulk image optimization for your entire Media Library with progress tracking, live log, pause, resume, and cancel
Background image optimization processing — leave the page and optimization continues automatically
Filter bulk jobs by upload date range, minimum file size, and maximum number of images
Automatically optimize and compress newly uploaded images in the background, during upload, or manually
Compress JPEG, PNG, WebP, AVIF, and HEIC images with configurable quality settings
Convert image formats to WebP, AVIF, HEIC, JPEG, and PNG
Generate additional output formats alongside the optimized original image
Progressive JPEG and metadata stripping options
Choose which image sizes to optimize, including full size, thumbnail, medium, large, and registered theme sizes
Optional backup of original image files before replacement
One-click restore of original images
Display image savings per file, including percentage and file size reduction
Preserve image URLs, filenames, alt text, titles, and attachment metadata
Connect using your opti.ninja account credentials or API key
View token balance, account quota, and optimization capacity estimates
Optimize images directly from the Media Library list view, grid view, and attachment sidebar
Reset optimization status metadata without changing optimized files on disk
Supported image formats
JPEG, PNG, WebP, AVIF, and HEIC/HEIF.
Requirements
WordPress 6.6 or later
PHP 8.0 or later
A free or paid opti.ninja account
Token usage
Each WordPress image (attachment) uses one token from your opti.ninja account. That token covers all selected image size variants and any additional output formats generated for that image.
External services
This plugin communicates with the opti.ninja API at https://opti.ninja/api/v1 and the public API at https://opti.ninja/api/public.
Depending on how you use the plugin, the following data may be sent:
Image optimization (POST /optimize-sync) — image file data is sent for image compression and optional format conversion. Images are processed on opti.ninja servers and are not stored permanently.
Account connection (POST /connections/login, POST /connections/api-key, DELETE /connections/) — your opti.ninja credentials or API key, plus basic site metadata such as site name, site URL, WordPress version, and plugin version.
Quota information (GET /jobs/quota) — retrieves token balance, quota information, and subscription details.
Token packages (GET /token-packages) — retrieves available token packages for purchase suggestions inside the plugin.
See the opti.ninja privacy policy and terms of service:
https://opti.ninja/privacy.html
https://opti.ninja/terms-of-service.html
Backup folder
When backups are enabled, original image files are moved to:
wp-content/uploads/Opti.ninja Backups/
The original uploads folder structure is preserved before optimized files replace the originals.
