Image Compressor
Reduce image file sizes directly in your browser with zero server uploads.
Open ToolAll Compression Tools
Choose from our dedicated file compression tools. Select a category below to reduce file sizes cleanly in your browser.
100% PrivateFiles never leave your device
Fast ProcessingBrowser-based compression
Works WorldwideNo signup required
⌘ K
Showing all 5 compression tools
5 formats
PDF Compressor
Reduce PDF file sizes with image downsampling and vector preservation directly in your browser.
Open ToolVideo Compressor
Compress video files using browser hardware acceleration with customizable quality and resolution.
Open ToolAudio Compressor
Optimize audio bitrates and normalize loudness across common audio formats in your browser.
Open ToolOffice Compressor
Reduce Word, PowerPoint, and Excel file sizes while preserving formatting and embedded media.
Open ToolNo matching tools found
No compression tools matched your current search query or active category filter.
Supported Formats Matrix
Overview of core standard and planned formats across each tool category.
Image Compressor
JPG, JPEG, PNG, WEBP, SVG
Reduce image file sizes directly in your browser with zero server uploads.
Open Tool & FormatsPDF Compressor
PDF, PDF-SCANNED, PDF-VECTOR
Reduce PDF file sizes with image downsampling and vector preservation directly in your browser.
Open Tool & FormatsVideo Compressor
MP4, WEBM
Compress video files using browser hardware acceleration with customizable quality and resolution.
Open Tool & FormatsAudio Compressor
MP3, WAV
Optimize audio bitrates and normalize loudness across common audio formats in your browser.
Open Tool & FormatsOffice Compressor
DOCX, PPTX, XLSX
Reduce Word, PowerPoint, and Excel file sizes while preserving formatting and embedded media.
Open Tool & FormatsTool Directory
Explore All Available Compression Engines
Image Compressor
JPGPNGWebPAVIFGIFSVG
Compress JPG, PNG, WebP, AVIF, and GIF pictures up to 80% without noticeable quality loss. Perfect for website optimization, social media posts, and saving phone storage.
Launch Image CompressorPDF Compressor
PDF
Reduce the file size of digital contracts, academic papers, and multi-page portfolios. Meet strict job application and government portal upload thresholds with ease.
Launch PDF CompressorVideo Compressor
MP4WebMMOVMKV
Shrink MP4, WebM, MOV, and MKV video files directly on your device. Choose custom target MB sizes for Discord, WhatsApp, and email attachments.
Launch Video CompressorAudio Compressor
MP3WAVOGGFLACAACM4A
Optimize MP3, WAV, OGG, and FLAC audio files with precision bitrate control from 64 kbps to 320 kbps. Ideal for podcast creators, musicians, and voice memos.
Launch Audio CompressorOffice Document Compressor
DOCXPPTXXLSXDOTXPOTXXLTX
Deflate oversized Word DOCX, PowerPoint PPTX, and Excel XLSX files by safely compressing embedded media and cleaning XML metadata.
Launch Office CompressorTechnical Specs
Comprehensive Supported Formats Matrix
SizePress supports all standard digital file extensions commonly used in business, creative media, education, and software development.
Below is an overview of supported containers, codecs, and file types across each dedicated tool category.
Decision Matrix
How to Choose the Right File Compression Tool
Selecting the right compression tool depends on your original file format, the destination platform requirements, and your priority between byte reduction and visual fidelity.
For Web Graphics & Photos
Use Image Compressor for JPG, PNG, or WebP files to boost website loading speed and Core Web Vitals.
For Legal & Academic Documents
Use PDF Compressor to bring large multi-page scans under strict 2 MB or 5 MB submission caps.
For Video Clips & Screen Recordings
Use Video Compressor to downscale resolution or set an exact 10 MB or 25 MB limit for messaging apps.
For Voice Memos & Podcasts
Use Audio Compressor to convert uncompressed WAV recordings into lightweight 128 kbps or 192 kbps MP3 files.
For Presentations & Spreadsheets
Use Office Compressor to strip heavy uncompressed slide graphics from PPTX, DOCX, and XLSX decks.
Quick Start
How to Use SizePress Compression Utilities
Select the Desired Tool
Click into any category above that matches the file type you want to optimize.
Upload & Configure
Drop your files into the workspace and select your preferred quality preset or target size.
Instant In-Browser Download
Save your compressed files immediately with zero server delays or watermarks.
Core Advantages
Why SizePress is the Preferred Tool Directory
Unified In-Browser Experience
Switch seamlessly between images, documents, video, and audio in one clean, distraction-free interface.
Strict Privacy by Architecture
Zero server uploads across every single tool in our directory. Your data stays in your browser.
Predictable File Size Reduction
Honest byte reduction reporting without artificial percentage claims or file degradation.
Zero Restrictions & Paywalls
Free access to all 5 compression utilities with generous limits up to 2 GB.
Frequently Asked Questions About SizePress Tools
SizePress provides five specialized tools: Image Compressor, PDF Compressor, Video Compressor, Audio Compressor, and Office Document Compressor.
Select the tool matching your file extension. For photos use Image, for documents use PDF or Office, for videos use Video, and for sound recordings use Audio.
Each tool processes its respective format category. From the homepage, you can drop files of any category and SizePress will route them to the appropriate tool.
Yes: Images and PDFs up to 50 MB, Audio files up to 500 MB, and Video and Office documents up to 2 GB per file.
Yes. Every tool is completely free with no subscriptions, trials, or hidden fees.
Because all processing runs client-side inside your browser, once the web application loads, file compression does not consume internet bandwidth.
Your files are read and processed directly in your device RAM using WebAssembly and WebCodecs. No data is ever transmitted across the internet.
Yes. We welcome feedback through our contact page to expand supported formats and enhance compression presets.