How Can I Contact FileSlim Support?
Have questions or need help? We're happy to help!
Email Support
For all questions, issues or suggestions you can contact us by email.
Frequently Asked Questions
Technical Questions
Are my files safe?
Yes! All files are processed exclusively in your browser. They are never sent to our servers or the internet.
Are there any file size limits?
Maximum file size is 100MB per file, with support for up to 50 files simultaneously.
How long does compression take?
Speed depends on file size and type, but most files are processed within seconds.
Does the application work offline?
After loading the page, you can continue compressing files even without internet connection.
Usage & Features
What file formats do you support?
We support images (JPEG, PNG, WebP, AVIF), documents (PDF, DOCX, PPTX, XLSX), audio (MP3, WAV, M4A, FLAC, OGG), and video (MP4, WebM, MKV, MOV). All processing happens in your browser.
Will compression reduce image quality?
You control the quality settings. Higher quality settings preserve more detail but result in larger files.
Can I compress multiple files at once?
Yes, you can select up to 50 files and process them all at once, then download as a ZIP archive.
Can I recover original files after compression?
Compression is lossy for images and PDFs. Always keep backups of important original files.
What advanced features are available?
Advanced mode includes format selection, metadata removal, progressive encoding, and perceptual quality settings.
Is the application free?
Yes, FileSlim is a completely free tool with no hidden fees or limits.
Compatibility
Which browsers are supported?
FileSlim works in all modern browsers: Chrome, Firefox, Safari, Edge (updated versions recommended).
Can I use FileSlim on mobile devices?
Yes, our responsive design works perfectly on smartphones and tablets.
Technical Support
If you encounter technical problems, please include:
- • Browser type and version
- • Operating system
- • Problem description
- • Steps to reproduce the error
We respond to all emails within 24 hours (during business days).
About the Application
FileSlim is a modern file compression tool created with emphasis on privacy and security. All processing happens locally in your browser using the latest web technologies.