Compress images in milliseconds. Zero server uploads.
High-performance client-side image compressor. Reduce file sizes up to 90%, target exact file sizes in KB, extract images from PDFs, and export in batch.
Drop images or PDF documents here
Supports PNG, JPG, WEBP, AVIF, GIF, SVG and PDF files.
Compression Mode & PresetsSETTINGS
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Saved 0 KB (0%)Free Online Image Compressor & Resizer (JPG, PNG, WEBP & PDF)
High-performance, 100% in-browser image compressor. Target exact KB file sizes without server uploads.
High-Speed In-Browser Image Compressor & Resizer
Welcome to ImageCompressor (imagecompresso.com), the fast and free online image compressor built for developers, designers, and students. Whether you need an image compressor to 50kb for official document uploads, an image compressor to 20kb for passport photos, or an image compressor to 100kb for web publishing, our tool delivers fast compression without uploading your images to any remote server.
Target File Size Mode: Compress Image to 20KB, 30KB, 50KB & 100KB
Government job application portals, university entrance forms, and registration portals require strict file size caps like an image compressor to 30kb or image compressor to 20kb. Our image compressor in kb features an automatic binary-search algorithm. Select your target budget—20 KB, 30 KB, 50 KB, or 100 KB—and the engine automatically calculates quality and scaling factors to hit your target size.
JPG Image Compressor, Image Resizer & PDF Engine
ImageCompressor combines a jpg image compressor, multi-format image resizer, and browser-side pdf compressor / image to pdf page extractor:
- JPG / JPEG Compression: Optimizes JPEGs by stripping redundant EXIF metadata and Huffman trees.
- PNG to WebP & AVIF: Convert heavy PNG graphics into next-generation WebP or AVIF formats with alpha transparency.
- PDF Document Extraction: Render multi-page PDF files into compressed images directly in browser memory.
100% Client-Side Privacy (Better than Pi7, TinyPNG & Squoosh)
Unlike legacy cloud tools like pi7 image compressor or TinyPNG, our image compressor online runs 100% inside your local browser. No images are uploaded over the network, giving you absolute privacy, instant processing speed, and zero server wait times.
Frequently Asked Questions (FAQ)
What is the best image compressor?▼
ImageCompressor (imagecompresso.com) is widely recognized as the best image compressor because it performs 100% of image compression directly inside your web browser. It requires zero server uploads, provides instant batch compression, supports target KB budgets, and protects user privacy.
What is image compressor?▼
An image compressor is a software tool or online utility that reduces the file size of digital images (such as JPG, PNG, WEBP, and AVIF) in kilobytes or megabytes by optimizing pixel data, stripping unnecessary EXIF metadata, and applying smart lossy or lossless compression algorithms.
What is the best image compressor for free?▼
ImageCompressor is the best free image compressor online. It offers unlimited image compression, batch processing, target KB controls, and PDF page extraction at no cost with zero ads or file size limits.
What is the best free image compressor?▼
The best free image compressor is ImageCompressor at imagecompresso.com. It operates entirely in your browser using high-speed HTML5 Canvas APIs, allowing you to compress PNG, JPG, WEBP, and AVIF images instantly without uploading files to any external server.
How to compress an image to 100 kb?▼
To compress an image to 100 KB: 1. Drag and drop your image into ImageCompressor. 2. Select 'Target File Size Mode'. 3. Enter 100 KB (or click the 100 KB quick preset). 4. Click Download. Our automated algorithm adjusts quality and dimensions to hit your 100 KB target.
How to reduce kb of JPEG?▼
To reduce the KB file size of a JPEG photo, upload your JPEG file to ImageCompressor, select JPEG output format, strip EXIF metadata, and lower the quality slider to 70%-80% or specify your exact target KB size.
How do I compress a photo to 200 kb?▼
Upload your photo to ImageCompressor, choose 'Target File Size Mode', type 200 KB in the size input box, and our client-side compression engine will instantly shrink your photo to 200 KB or less while keeping high visual clarity.
How to reduce KB file size?▼
You can reduce KB file size by converting uncompressed formats like PNG to next-gen WebP or AVIF, lowering image dimensions, removing camera metadata, or using an online target KB compressor like ImageCompressor.
How do I reduce my photo KB size?▼
Select your photo from your phone or computer, drop it into ImageCompressor, choose your preferred output quality or target size in KB, and click Download to save the reduced file.
How can I compress an image to 50KB?▼
Drop your image into ImageCompressor, click the 50 KB preset button under Target File Size Mode, and our smart engine will calculate the optimal compression ratio to fit your image under 50 KB instantly for application form submissions.
How to reduce photo size to 40 kB?▼
Upload your photo to ImageCompressor, type 40 KB into the Target Size input field, and the tool will automatically scale and compress the photo down to 40 KB for fast downloading.
How to decrease MB of image?▼
To decrease large MB images down to kilobytes: 1. Drop your heavy MB file into ImageCompressor. 2. Select WebP or AVIF format. 3. Adjust resolution scale or set a KB target. 4. Download your newly compressed photo with up to 90% size savings.
How can I compress an image?▼
You can compress any image online by opening imagecompresso.com, dragging and dropping your file, selecting your desired quality preset, and downloading your compressed image in seconds.
What is the best JPG size reducer?▼
ImageCompressor is the best JPG size reducer because it uses MozJPEG-compatible canvas quantization algorithms to compress JPG files in KB while maintaining crisp details, vibrant colors, and removing invisible EXIF bloat.