Free Online File Converter
60+ tools for images, PDF, audio, video and more. No signup. Always free.
Featured Tools
All Your File Conversion Tools in One Place
MultiConvertLab gives you free access to over 60 conversion tools for images, PDFs, audio, video, and developer utilities. Convert JPG to PNG, extract audio from video, compress images, format JSON, generate QR codes, and much more — all from your browser with no signup required. Your files are processed securely and never stored on our servers.
How It Works
Pick a tool
Browse our 60+ converters organized by category — Images, PDF, Audio, Video, Documents, Utilities, Developer Tools. Use the search bar to jump straight to the format pair you need.
Upload your file
Drag and drop your file directly in your browser, or click to choose. No account, no email, no waiting in queues. Most files convert instantly on your device.
Download instantly
Save the converted file in one click. Repeat as many times as you want — there are no daily limits, no watermarks, and no quality loss on output.
Why MultiConvertLab
Privacy First
Files are processed entirely in your browser using JavaScript and WebAssembly. Nothing is uploaded to a server, nothing is logged, and nothing is shared with third parties.
All-in-One Toolkit
Stop bouncing between different sites for images, PDFs, audio, video, and code utilities. Everything you need lives in a single fast dashboard with consistent UX.
Always Free
No signup, no credit card, no trial expiry. No watermarks added to your files. No artificial daily limits. Free now, free in a year, free forever.
3 Languages
Every tool, page, and guide on MultiConvertLab is fully translated into English, French, and Spanish — including metadata for accurate search results in your language.
Frequently Asked Questions
Are these tools really free?+
Yes. Every tool on MultiConvertLab is 100% free with no usage limits, no signup, no credit card, and no watermarks added to your output.
Do you store my files?+
No. All conversions happen locally in your browser using JavaScript and WebAssembly. Your files never leave your device, and we never see them.
Do I need to install anything?+
Nothing. No software, no browser extensions, no plugins. Open the page, pick your tool, get your file. Works on Chrome, Firefox, Safari, and Edge.
Can I use these tools on mobile?+
Yes. Every tool is fully mobile-friendly. Convert files on iPhone, Android, or tablet exactly the same way you would on a desktop.
What file formats are supported?+
We support 60+ formats including JPG, PNG, WebP, HEIC, SVG, AVIF, ICO, TIFF, PDF, MP3, WAV, M4A, OGG, FLAC, MP4, MOV, AVI, MKV, WebM, GIF, DOCX, XLSX, PPTX, EPUB, JSON, YAML, TOML and more.