ToolKitSphereBatch Image Compressor – Shrink Up to 20 Photos at Once
FeaturedBatch-compress up to 20 images at once with a quality slider or a target file size, real before/after previews, and one-click download.
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This image compressor lets you shrink up to 20 photos at once, either by dragging a quality slider or setting a target file size, with real before-and-after previews so you can see exactly what you're trading off. It's designed for photographers preparing web galleries, online sellers optimizing product photos, and anyone who needs to email or upload images that are under a strict size limit. Drop in your JPEG, PNG, or WebP files and the tool compresses each one directly in your browser, showing the original and compressed file size side by side before you download. Because every image is processed locally rather than sent to a remote server, this is meaningfully faster and more private than typical online compressors like those requiring an upload — nothing about your photos, including EXIF metadata or content, ever leaves your device. There's no per-file fee, no daily quota, and no forced watermark. Once you're happy with the results, download each image individually or grab them all in one batch. Scroll down to add your photos and start compressing.
Features
- Batch compress up to 20 images in one session
- Quality slider for manual compression control
- Target file size mode to hit an exact size limit
- Real before/after preview for every image
- Supports JPEG, PNG, and WebP input
- One-click download for individual or all files
- Shows original vs. compressed size and percentage saved
- No file ever uploaded to a server
Why use this image compressor?
- Compresses photos in seconds, even in batches
- Fully private — images are processed locally, never uploaded
- Visual before/after comparison ensures quality control
- Simple drag-and-drop, no technical settings required
- Completely free with no watermark or daily limit
Frequently asked questions
Does compressing images reduce quality?
Some quality loss is expected with lossy formats like JPEG and WebP, but the quality slider lets you find the right balance, and the before/after preview shows exactly what you're getting.
Can I compress multiple images at the same time?
Yes, you can batch compress up to 20 images in a single session with consistent settings applied across all of them.
What's the difference between quality mode and target size mode?
Quality mode lets you set a compression percentage directly, while target size mode automatically finds the quality level needed to hit a specific file size, like under 1MB.
Are my photos uploaded to a server during compression?
No, all compression happens locally in your browser — your images never leave your device.
Which format compresses smallest, JPEG or WebP?
WebP generally produces smaller files than JPEG at comparable visual quality, though the best choice depends on your target platform's compatibility needs.
Is there a file size limit for images I can compress?
There's no artificial cap — the practical limit depends on your device's available memory when handling large batches.
Can I download all compressed images at once?
Yes, once compression finishes you can download files individually or grab the whole batch in one action.
Does this tool strip EXIF metadata from photos?
Compression may reduce or remove some metadata depending on the format and settings, which can be a privacy benefit when sharing photos publicly.
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