Free Online Image Compressor
A full image toolkit for the work that matters. Compress, resize, convert and crop JPG, PNG and WebP files online with proper control over quality and file size. Free, no signup, runs entirely in your browser.
Used by photographers, designers, marketers and developers.
Your images stay on your device. Nothing is uploaded.
More image tools
All free, all in your browser, all without uploading anything.
Built for creators and professionals
Most online tools auto-compress to one fixed setting and leave you guessing. Ours give you the controls you actually want, with sane defaults for when you just need it done.
Control over quality
Quality slider, dimension cap, format choice. Set the trade-off yourself instead of taking a one-size-fits-all default.
Photographer-friendly output
Smart defaults that keep skin tones, fine detail and text legibility. No washed-out faces, no mushy edges.
Private by design
Files never leave your device. Compression runs locally in your browser so you can drop client work in without worrying.
Free, no account
Nothing to sign up for, nothing to pay. Open the page, drop an image, get a smaller file. The same goes for the whole toolkit.
How it works
Three steps — no setup, no sign up.
- 1
Upload your image
Drag and drop a JPG, PNG or WebP file, or click to choose one from your device.
- 2
Compress automatically
We resize and re-encode in your browser using smart defaults. No waiting in a queue.
- 3
Download a smaller file
Compare the before and after sizes, then save the optimised image with one click.
Frequently asked questions
Everything you need to know about compressing images with our free online tool.
- Is this image compressor really free?
- Yes. Image Compressor is free to use with no signup, no watermark, and no daily limit. The core compressor will always stay free.
- Which image formats are supported?
- JPG (.jpg / .jpeg), PNG (.png) and WebP (.webp) are supported by the main compressor with the same format on input and output. HEIC photos from iPhone can be converted with the HEIC to JPG tool, and AVIF is supported via the dedicated AVIF converter.
- Are my images uploaded to a server?
- No. Compression runs entirely in your web browser using a Web Worker. Your image data never leaves your device, which makes the tool faster and far more private than tools that upload files for processing.
- How much will the file size be reduced?
- Most JPG and PNG images shrink by 60–80% with no visible loss of quality. WebP files are already efficient, so the saving is typically smaller. The exact reduction depends on the original file's compression and dimensions.
- Will compression reduce image quality?
- Slightly, by design — that's how file size goes down. We use defaults tuned for the web: a target around 1MB and a maximum dimension of 1920 pixels on the longest edge. For most use cases — websites, blogs, social media — the result looks visually identical to the original.
- Is there a maximum file size or resolution?
- Single uploads are capped at 25MB to keep the tool responsive in the browser. Output targets around 1MB by default. Images are resized so the longest edge is at most 1920 pixels — perfect for web use, including Retina displays.
- Does it work on my phone?
- Yes. Image Compressor is fully mobile-responsive and works in modern mobile browsers including Safari on iOS and Chrome on Android. You can upload directly from your camera roll.
- Can I compress multiple images at once?
- Yes — the bulk compressor processes a folder of images in one go and packages the results into a single ZIP download. The same settings apply to every file in the batch.
- Do compressed images keep their EXIF data?
- No. Re-encoding the image strips most EXIF metadata, including camera info and GPS location. This is generally desirable for images you publish online — it reduces file size further and protects your privacy.
- Is the tool free to use commercially?
- Yes. You can use Image Compressor for personal, commercial, or client work. The compressed files belong to you.