When to use this compressor
Use this tool when a website image is too heavy and you want a fast delivery copy. Keep your original files, then export smaller WebP or JPG versions for publishing.
Free browser tool
Image Compressor
Shrink JPG, PNG and WebP files in your browser. Pick a target size or quality, preview the result, then download each file or a ZIP. Files stay on your device.
Files stay in your browser Local compression for supported files
- Search intent
- Best for people searching how to make an image smaller without losing too much quality.
- Best for
- Lighter website and product images.
- Privacy
- Your image is processed in your browser when local processing is supported by this tool.
- Inputs
- JPG, PNG, WEBP
- Outputs
- JPG, WEBP
- How it works
- Upload a JPG, PNG, or WebP file, adjust the quality slider, preview the compressed result, then download.
- Limitations
- Text-heavy screenshots and detailed graphics can become blurry if compressed too aggressively.
- Good next step
- Preview the result and adjust quality before downloading.
Preview
Processed images will appear here.
Files
Choose one or more images to begin.
Practical guidance
Getting the best results
Common searches
compress image, reduce JPG file size, make PNG smaller, web image optimization
When to use this tool
Compress images before uploading them to a website, attaching them to an email, or posting them on social media. Reducing file size helps pages load faster and keeps email attachments within size limits.
Quality tips
- Product photos with smooth gradients tolerate lower quality (70–80 %) well. Screenshots with small text need higher quality (85 %+) to keep text readable.
- Use the preview to compare before and after — a difference that looks obvious at 100 % zoom may be invisible at actual display size.
- Different images respond differently to compression: a simple flat-color logo may compress far more than a busy landscape photo at the same quality setting.
Common mistakes
- Over-compressing text-heavy images — thin letters become blurry or break apart, making the image hard to read.
- Applying the same compression level to photographs, graphics, and screenshots without adjusting for content type.
- Checking compression results only on a high-DPI screen — zoom to typical viewing size to see what visitors will actually experience.
Recommended workflow
Combine these tools for best results
- 1
Resize
Resize large images before compression when exact dimensions matter.
- 2
Compress
Compress the image to reduce file size.
- 3
Convert to WebP
Convert to WebP if the image is mainly for websites.
FAQ
Image compression questions
Will compression upload images to the server?
No. This compressor uses browser Canvas APIs, so selected files stay on your device.
Which output format should I choose?
Choose WebP for most website delivery files. Choose JPG for systems that do not accept WebP or when you need a simple photo fallback.
Why can a compressed file become larger?
Small icons, already optimized files, or PNG graphics with flat colors may not shrink after canvas export. Compare the result before replacing originals.
Is Image Compressor free to use?
Yes. Image Compressor is completely free. There is no sign-up, no watermark on the output, and no usage limit for standard conversion.
Can I use Image Compressor on a phone or tablet?
Yes. Image Compressor runs in any modern mobile browser including Safari on iPhone and Chrome on Android. No app installation is required.
Do you keep a copy of my files when I use Image Compressor?
No. Image Compressor processes images entirely in your browser. Your files are never sent to a server, stored, or logged anywhere.
What input formats does Image Compressor accept?
Image Compressor accepts JPG, PNG and WEBP files as input.
What output formats can Image Compressor produce?
Image Compressor can produce JPG and WEBP files as output.
How many images can I process at once with Image Compressor?
You can process multiple images in a single session. All converted files can be downloaded individually or packaged into a ZIP archive.
Does Image Compressor reduce image quality?
It depends on the output settings. You can adjust the quality slider before downloading to find the right balance between file size and visual detail.
Does Image Compressor work without an internet connection?
Once the page has fully loaded, Image Compressor can process images offline because all conversion happens inside your browser rather than on a remote server.
What is the maximum file size Image Compressor supports?
File size limits depend on your device's available memory. Very large images may take longer to process or require a device with more RAM to complete reliably.
Do I need to create an account to use Image Compressor?
No account or sign-up is required. Open the tool, choose a file, and download the result immediately.
Will Image Compressor work on my desktop computer?
Yes. Image Compressor works in all major desktop browsers including Chrome, Firefox, Safari, and Edge on both Windows and macOS.
Can I convert images in batch mode with Image Compressor?
Yes. Image Compressor supports selecting or dropping multiple files at once. Each file is converted and results can be downloaded as a ZIP.
Related guides
Compression decisions
Best Image Size for Websites: A Practical Guide
Choose useful image dimensions for website heroes, blog images, product photos, thumbnails, and retina displays without wasting page weight.
Read guideHow to Compress an Image to 500KB
A practical workflow for reducing JPG, PNG, or WebP images to a target file size such as 500KB with browser-based tools.
Read guideHow to Compress a PNG to a Smaller File Size
Learn when PNG compression helps, when converting to WebP is smarter, and how to reduce image size without breaking transparency or sharp text.
Read guideHow to Compress Product Images for Online Stores
A practical workflow for making product images lighter while preserving detail, color, and buyer confidence.
Read guideHow to Remove Background from Product Photos for E-commerce
A practical guide to removing backgrounds from product photos, choosing the right background color, and preparing transparent PNG images for online stores.
Read guideHow to Resize Images for Social Media: Instagram, YouTube, Twitter, LinkedIn
Get the right image dimensions for Instagram posts, YouTube thumbnails, Twitter cards, and LinkedIn profiles using free browser tools that keep your files private.
Read guideHow Image Compression Affects SEO and Page Speed
Learn how lighter images can improve page speed, user experience, and search performance without over-compressing important visuals.
Read guideRelated tools
Next image tasks
Live
PNG to WebP Converter
Convert PNG images to smaller WebP files in your browser.
Keep transparency in a smaller web format.
Runs in your browser
PNGtoWEBP
Convert PNG to WebPLive
Image Resize Tool
Resize images to exact dimensions for social media, websites, or print.
Match exact upload and layout dimensions.
Runs in your browser
JPGPNGWEBPtoJPGPNGWEBP
Resize an imageLive
Background Remover
Remove image backgrounds in your browser for transparent PNG export.
Transparent PNGs for product and profile photos.
Runs in your browser
JPGPNGWEBPtoPNG
Remove a backgroundLive
Image to PDF
Convert images into a PDF document in your browser.
Archive receipts, screenshots, and photos to one PDF.
Runs in your browser
JPGPNGWEBPtoPDF
Convert images to PDFRelated pages
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