Free Online File Converter — 71 Tools

MultiConvertLab is a free all-in-one online file converter with 71 tools for images, video, audio, PDF, documents and developer utilities. No signup required, no watermarks, no file size limits. Most conversions happen directly in your browser — your files stay private and never leave your device.

Image Converter — 35 Free Tools

Convert between HEIC, JPG, PNG, WEBP, TIFF, ICO, SVG and AVIF formats. Need to convert iPhone HEIC photos to JPG for sharing? Turn a PNG into a WEBP for faster website loading? Create ICO favicons from SVG? Our 35 image conversion tools handle every format with no quality loss. Compress images to reduce file size or remove backgrounds with AI — all free, all online.

Video Converter — MP4, MOV, MKV, AVI, WEBM, GIF

Convert video files between MP4, MOV, MKV, AVI, WEBM and GIF. Extract audio from any video as MP3. Whether you need to convert a MOV from your iPhone to MP4, turn a video into a GIF, or compress a large MKV file — our video converter handles it in seconds.

Audio Converter — MP3, WAV, M4A, FLAC, OGG

Convert audio files between MP3, WAV, M4A, FLAC and OGG. Convert M4A voice memos to MP3, compress large WAV files, or turn FLAC lossless audio into a smaller format. Fast, free audio conversion with no quality loss.

PDF and Document Converter

Convert JPG to PDF, PDF to JPG, PNG to PDF, Word to PDF, Excel to PDF, PowerPoint to PDF, PDF to Word and EPUB to PDF. Create PDFs from images, extract images from PDFs, or convert between office document formats — all without installing any software.

Developer Tools — JSON, Base64, Hash, Color Converter

Format and validate JSON, encode and decode Base64, generate MD5, SHA-1 and SHA-256 hashes, convert colors between HEX, RGB and HSL, generate Lorem Ipsum text, and minify JavaScript, CSS and HTML code. Essential developer utilities you can use directly in your browser.

Why Use MultiConvertLab?

Unlike other converter sites, MultiConvertLab is 100% free with no hidden limits. No account needed, no email required, no watermarks on your files. Most tools process files directly in your browser using client-side technology — your files are never uploaded to any server. Available in English, French and Spanish.