Let Compress

Let Compress

Compress images and PDFs up to 90% smaller. Fast, secure, and completely free.

Image

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Compress PNG

Reduce PNG file size up to 80% while maintaining quality. Fast, secure, and free.

Compress JPG

Compress JPG/JPEG images without losing quality. Reduce file size instantly.

Compress WebP

Optimize WebP images for better performance. Reduce WebP file size efficiently.

Compress AVIF

Compress AVIF images for next-gen web performance. Reduce file size efficiently.

Compress Image

Universal image compression tool supporting PNG, JPG, JPEG, WebP, AVIF, GIF, BMP, TIFF, HEIC and more formats.

Compress Image to Target Size

Compress JPG, PNG, WebP and more to a specific target size like 50KB, 100KB, 200KB or custom values in your browser.

Document

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Compress PDF

Reduce PDF file size by up to 90% while preserving quality. Free online PDF compressor - no upload, 100% private, works in browser.

Compress PDF to Target Size

Compress PDF files to a target size like 100KB, 200KB, 500KB, 1MB or custom values directly in your browser.

Compress DOCX

Reduce DOCX file size by optimizing embedded images and removing metadata. Free browser-based Word compressor.

Compress PPTX

Reduce PPTX file size by optimizing embedded images and media. Free browser-based PowerPoint compressor.

Media

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Compress MP3

Reduce MP3 file size by up to 80% while maintaining audio quality. Free online MP3 compressor - 100% browser-based, no upload required.

Compress MP4

Reduce MP4 video file size by up to 80% while maintaining video quality. Free online video compressor - 100% browser-based, no upload required.

Compress Video by Size Limit

Compress videos to platform size limits like 8MB, 10MB, 25MB, 50MB or custom targets in your browser.

Compress WebM

Reduce WebM file size by up to 80% while maintaining video quality. Free online WebM compressor - 100% browser-based, no upload required.

Compress MOV

Reduce MOV file size by up to 80% while maintaining video quality. Free online MOV compressor - 100% browser-based, no upload required.

Compress WAV

Reduce WAV file size by up to 90% while maintaining audio quality. Free online WAV compressor - 100% browser-based, no upload required.

Text

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Compress JSON

Minify and compress JSON data by up to 70%. Remove whitespace and optimize for APIs. Free online JSON minifier.

Compress JavaScript

Minify and compress JavaScript code by 30-60%. Remove whitespace, comments, and optimize for production. Free online JS minifier.

Compress CSS

Minify and compress CSS stylesheets. Remove whitespace, comments, and optimize for production. Free online CSS compressor.

Compress HTML

Minify and compress HTML code. Remove whitespace, comments, and optimize for production. Free online HTML compressor.

Compress XML

Minify and compress XML data. Remove whitespace and optimize for smaller file size. Free online XML compressor.

Compress YAML

Minify and compress YAML data. Remove comments and redundant whitespace for compact output. Free online YAML compressor.

Archive

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Compress to ZIP

Create ZIP archives from multiple files. Free online ZIP creator - 100% browser-based, no upload required, privacy protected.

Extract ZIP

Extract and unzip ZIP archives in your browser. View contents and download individual files. Free online ZIP extractor.

Compress GZIP

Compress files to GZIP format in your browser. Fast, lightweight compression for single files.

Decompress GZIP

Decompress GZIP files in your browser. Extract .gz files instantly and download the original content.

Compress BZ2

Compress files to BZ2 format in your browser. High compression ratio with WebAssembly-powered processing.

Decompress BZ2

Decompress BZ2 files in your browser. Extract .bz2 files instantly with WebAssembly-powered processing.

Other

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HEIC to JPG

Convert iPhone HEIC photos to JPG format instantly. Fast, free, and secure.

Image Format Converter

Convert images between any format. Support PNG, JPG, WebP, AVIF, GIF and more.

Crop Image

Crop images to custom size or aspect ratio. Perfect for social media and websites.

Resize Image

Resize images by pixels, percentage or ratio. Maintain quality while changing size.

Rotate & Flip Image

Rotate and flip images online. 90°, 180°, 270° rotation and horizontal/vertical flip.

Add Watermark

Add text or image watermark to protect your image copyright. Full control over watermark style and position.

Everything You Need for Image & File Optimization

A comprehensive suite of free online tools designed for speed, quality, and privacy.

100% Browser-Based

All processing happens locally in your browser. Your files never leave your device — zero server uploads, zero risk.

Batch Processing

Compress, convert, or resize multiple files at once. Save time with efficient batch operations.

All Popular Formats

Support for PNG, JPG, WebP, AVIF, PDF, GIF, SVG, HEIC, BMP, TIFF and more. One tool for every format.

Smart Compression

Advanced algorithms reduce file size up to 90% while preserving visual quality. You control the quality.

Frequently Asked Questions

Is Let Compress free to use?

Yes, all tools on Let Compress are completely free with no registration required. There are no hidden fees, file limits, or watermarks.

Are my files safe and private?

Absolutely. All file processing happens directly in your browser using client-side technology. Your files are never uploaded to any server, ensuring complete privacy and security.

What image formats are supported?

We support all major image formats including PNG, JPG/JPEG, WebP, AVIF, GIF, SVG, HEIC, BMP, TIFF, ICO, and JXL. We also support PDF compression and conversion.

How much can I reduce my file size?

Compression results vary by image content, but you can typically achieve 30-90% file size reduction. Our smart algorithms maintain visual quality while maximizing compression.

Do I need to install any software?

No installation needed. Let Compress works directly in your web browser on any device — desktop, tablet, or mobile. Just open and start optimizing.

About Let Compress

Let Compress is a free online platform offering a comprehensive suite of image optimization and file conversion tools. Our mission is to make professional-grade compression accessible to everyone — no software downloads, no account sign-ups, and no cost. Powered by cutting-edge browser technology, we deliver fast, private, and high-quality results for every user.