Image Compressor – MB to KB | FreelyConvert

Compress images to a target KB size directly in your browser. 100% on-device with no uploads.

Image Compressor by FreelyConvert lets you shrink any photo to an exact file size in KB — right in your browser, with no uploads and no server involved. HOW IT WORKS 1. Click the extension icon and choose an image (JPG, PNG, or WebP). 2. Enter your target size in KB (for example, 20KB for a passport photo or form upload). 3. Choose JPEG or WebP as your output format. 4. Click "Compress & Download" — the tool automatically finds the best quality setting to hit your target size, then downloads the result. WHY USE THIS EXTENSION - 100% Private — your images never leave your device. All compression happens locally using the Canvas API; nothing is uploaded to any server. - Precise sizing — a smart binary-search algorithm hits your target KB within ±5% accuracy, automatically reducing image dimensions if needed to reach very small targets. - No signup, no watermark, no limits — completely free to use, as many times as you like. - Fast — compress and download in seconds, without opening a new tab. COMMON USES - Reduce a photo to 20KB or 25KB for government forms, exam applications, or job portals - Shrink images for faster website uploads - Meet strict file-size requirements for email attachments or online forms Need more tools? Visit the full FreelyConvert Image Size Reducer at https://www.freelyconvert.com/reduce-image-size-in-kb for batch processing and additional image tools — completely free, no installation required.