Image Compressor — Free JPG, PNG & WebP Compressor (No Upload)
Shrink JPG, PNG, or WebP files. Before/after size shown side-by-side. Files never upload.
Drop an image here, or
Max 25 MB. Files never leave your browser.
Source
× · ·
Output
Processing…
× · · (%)
Cách dùng
- 1 Drop an image (max 25 MB).
- 2 Pick output format and quality.
- 3 See the before/after size in real time.
- 4 Download the compressed result.
Vì sao dùng công cụ này
- Quality slider gives you direct control over the size/quality trade-off.
- WebP output typically gives the smallest files.
- See size delta percentage instantly — easy to dial in the sweet spot.
- Pure client-side — no upload, no signup.
Câu hỏi thường gặp
What quality is "good enough"?
For web — 75–85% is usually visually identical to the original at a fraction of the size. Test with your specific image and screen.
Why does PNG output not honor the quality slider?
PNG is lossless — quality is fixed at 100%. Switch to JPG or WebP for adjustable compression.
How does this compare to TinyPNG / Squoosh?
Squoosh has more advanced encoders (MozJPEG, libwebp). For best compression, use Squoosh. This tool prioritizes simplicity and no external dependencies.
Image Compressor là gì?
An Image Compressor is a tool that reduces the file size of an image while keeping its visible quality acceptable for screen or print. Lossy formats (JPG, WebP) drop perceptual detail; lossless modes re-encode without quality loss. Browser-based compressors run the encoder in JavaScript or WebAssembly so the original image never leaves the user's device — important for screenshots, design drafts, or anything not yet public.
Image Compressor so với các lựa chọn khác
| Tính năng | Zerethon Tools | Công cụ trực tuyến thường gặp | Ứng dụng máy tính |
|---|---|---|---|
| Files leave device | No | Yes (upload) | No |
| JPG / PNG / WebP | All three | Usually JPG only | All three |
| Before/after preview | Yes | Sometimes | Yes |
| Watermark | No | Sometimes | No |
| Free | Yes | Yes (with ads) | Often paid |
Image Compressor là công cụ sáng tạo miễn phí của Zerethon Tools. Shrink JPG, PNG, or WebP files. Before/after size shown side-by-side. Files never upload. Chạy hoàn toàn trong trình duyệt — không đăng ký, không tải lên.
- Danh mục
- Sáng tạo
- Giá
- Miễn phí
- Quyền riêng tư
- Chạy trên trình duyệt
- Đăng ký
- Không cần
Quyền riêng tư
Dữ liệu của bạn không bao giờ rời khỏi trình duyệt trừ khi được nêu rõ. Image Compressor chạy hoàn toàn phía client — không tải lên máy chủ, không ghi log, không theo dõi dữ liệu bạn nhập.
So sánh
Kiến thức cơ bản
Hướng dẫn
Công cụ liên quan
YouTube Thumbnail Downloader
Download YouTube thumbnails in all available resolutions. Just paste a video URL.
Mở công cụOpen Graph Preview
Test how your URL appears when shared on social media. Preview Facebook, Twitter, LinkedIn, and Slack cards.
Mở công cụWord & Character Counter
Count words, characters, sentences, and paragraphs. Reading time, speaking time, and top keywords — instant.
Mở công cụLorem Ipsum Generator
Generate Lorem Ipsum placeholder text — by paragraphs, sentences, or words. Optional HTML wrapping.
Mở công cụBuild, share, and grow on Zerethon Social
Free signup. Earn points, collect achievements, and connect with creators worldwide.