Image Compressor
Free online image compressor. Shrink JPG, PNG, and WebP file sizes with a quality slider and see before/after sizes — runs in your browser, nothing uploaded.
Drag & drop an image, or click to browse
PNG, JPG, WebP, GIF or BMP · processed privately in your browser — nothing is uploaded
About This Free Online Image Compressor
Our free online image compressor reduces the file size of your images so they load faster and are easier to share, all in your browser. Drop in a JPG, PNG, or WebP, drag the quality slider, and instantly see the new size and how much you saved compared to the original. Choose JPEG or WebP output for the smallest files, or keep PNG when you need a lossless result. Everything is processed locally with the Canvas API, so your image is never uploaded — there is no account, no watermark, and no limit. It is ideal for speeding up websites, shrinking email attachments, and trimming photos for social media.
Features of Our Image Compressor
- Quality slider with live file-size preview
- Before/after size and percentage saved
- JPEG and WebP output for the smallest files
- Keeps your image fully private — no upload
- No signup, no watermark, no limits
- Free and fast — runs in your browser
How to Use the Image Compressor
Using this tool is simple and requires no signup or registration. Follow these steps:
- Drag and drop an image or click to choose one.
- Pick an output format (JPEG or WebP for the smallest size).
- Drag the quality slider and watch the new size update.
- Click Download to save the compressed image.
Frequently Asked Questions About Image Compressor
How does image compression work?
The tool re-encodes your image at a lower quality setting, removing detail the eye barely notices to make the file smaller. Lower quality means a smaller file; this tool shows the exact new size so you can balance size against quality.
Is the compression private?
Yes. Your image is compressed entirely in your browser with the Canvas API and is never uploaded or stored on any server. Nothing leaves your device.
Should I use JPEG, WebP, or PNG?
JPEG and WebP are best for photos and give the smallest files; WebP is usually smaller than JPEG at the same quality. PNG is lossless — best for graphics with sharp edges or transparency, but larger.
Why Choose Text Toolbox?
Text Toolbox provides free, private, and instant online text tools. Unlike other text utility websites that require signup accounts or send your data to servers, all our tools process your text entirely in your browser. This means your content never leaves your device — we cannot see it, store it, or share it. Our tools are fast, lightweight, and work on any device with a modern web browser.