JPG, PNG, WEBP, BMP, GIF — or drag & drop
About Dudi Image Compressor Tool
Dudi Image Compressor is a fast, 100% free, browser-based tool from Dudi PDF Editor that reduces image file sizes in KB without visible quality loss. Whether you need to compress a heavy JPG photo so your website loads faster, shrink a PNG screenshot to fit an email attachment limit, convert a big WEBP down to a manageable size, or compress an image so it uploads faster to WhatsApp, Gmail, Instagram or a job application portal, this tool does all of it without installing software, creating an account, verifying an email or paying any hidden fee. Unlike most online image compressors, your image is never uploaded to a remote server. The entire compression runs inside your browser using the well-known HTML5 Canvas API — your image is drawn onto an in-memory canvas at full resolution with high-quality smoothing, then re-encoded to JPEG with the compression quality you choose. That means your personal photos, ID scans, screenshots, design assets and confidential images never leave your computer or phone. There is no signup, no email required, no watermark added by us, no daily limit and no page-count restriction beyond your device's memory. The interface is built around a fast, informative workflow. As soon as you upload an image, Dudi Image Compressor shows the file name, the original file size in KB, and the pixel dimensions (width × height), then displays a side-by-side preview panel showing the original image. A smooth compression quality slider lets you dial in exactly how much compression you want — from 10% (smallest file, visible artifacts) all the way up to 100% (best quality, largest file). The default 70% is a great starting point for web images. When you click Compress Image, the tool re-encodes the image at your chosen quality and displays a stats grid with three tiles: Original size, Compressed size, and Saved percentage. For example, a 2.4 MB photo might become 480 KB with a 80% saving — you see exactly how much space you reclaimed before downloading. The compressed image is saved automatically through FileSaver.js, and the filename uses Dudi PDF Editor's counter so repeat compressions in the same browser session never overwrite each other. It becomes Dudi PDF Editor Image Compressor.jpg, then (2), (3) and so on. The compressed output is a real JPEG file with white background fill (transparent areas are filled with white because JPG does not support transparency) — for PNG output with transparency preserved, use the Dudi Image Converter tool instead. The tool accepts JPG, PNG, WEBP, BMP and GIF inputs up to 25 MB. Typical savings: JPG images reduce by 50-80%, PNG images reduce by 60-90% (when converted to JPG), and large photos can reduce by up to 95%. At 70-80% quality, the visual difference is barely noticeable — perfect for web images, social media, email attachments and online forms that impose a file size limit. For print-quality work, use 90%+ quality. Everything runs locally, so the tool often keeps working even on a weak connection after the first page load. The layout is fully responsive, so the upload area, quality slider, stat cards, preview panes and action buttons all stay easy to use on a small Android phone as well as on a large desktop monitor. If you need more tools, Dudi PDF Editor also offers Image Converter, Image Resizer, Background Remover, Image Upscaler, Image Crop, Grayscale Image, Passport Photo Maker, QR Code Generator, Password Generator, My IP Address, and the full PDF tool suite (PDF to Excel, Excel to PDF, PDF to Word, PDF to PowerPoint, PDF to Text, OCR, Word Maker, Word to PDF, JPG to PDF, Merge PDF, Split PDF, Compress PDF, Rotate PDF, PDF Page Numbers, Sign PDF, Protect PDF, Unlock PDF, Watermark PDF, Crop PDF, Extract Images) that all run locally in your browser with the same no-upload guarantee.