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Image Compressor

Compress JPEG, PNG, and WebP images online for free. Reduce file size without losing quality — all processing happens in your browser.

Drop images here or click to upload

JPEG, PNG, WebP, GIF, BMP · Multiple files supported

All processing happens locally — your images never leave your device.

關於此工具

Compress and optimize JPEG, PNG, and WebP images directly in your browser. Adjust quality, choose output format, and see live before/after file size comparison. Batch compress multiple images at once. Your files never leave your device.

使用方法

  1. Upload Images

    Drop one or more JPEG, PNG, or WebP images onto the page.

  2. Adjust Settings

    Set quality level and choose output format.

  3. Download

    Download individual compressed images or all as a ZIP.

使用場景

Web Performance

Reduce image payload before uploading to websites, blogs, or e-commerce stores.

常見問題

Is my image uploaded to a server?

No. All compression happens locally in your browser using the Canvas API. Your images never leave your device.

What formats are supported?

Input: JPEG, PNG, WebP, GIF, BMP. Output: JPEG, PNG, or WebP.

Sawbank

專業PDF工具 - 免費且私密

Security

  • Client-side processingFiles never leave your device
  • No file uploads100% private & secure

Compliance

GDPR Compliant
100% 私密 - 檔案永不離開您的裝置
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