kaimdt Converter is a free, fully offline collection of browser-based file converters and developer tools. Convert video (MP4, WebM, AVI, MOV, MKV), audio (MP3, WAV, FLAC, AAC, OGG), images (PNG, JPG, WebP, AVIF, SVG), and documents (PDF, DOCX, XLSX, CSV) — all powered by FFmpeg WASM, entirely in your browser. No upload, no login, no tracking.
Extract audio from video, compress files, resize images, format JSON, convert CSV to JSON, YAML to JSON, HTML to JSX/TSX, encode/decode Base64, generate hashes, and more. Your files never leave your device.