FORMATTO
Image · Audio · Video Converter
Image: JPG PNG WEBP AVIF HEIC GIF BMP TIFF SVG ICOAudio: MP3 WAV OGG M4A FLAC AAC OPUS → MP3 WAV OGG M4A FLAC AAC OPUSVideo: MP4 WEBM GIF → MP4 WEBM GIF MP3 (+ compress)
Upload Image
Max 50MB · 50 files
Convert to what?
For JPG, WebP, AVIF.
JPG PNG WEBP AVIF HEIC GIF BMP TIFF SVG ICO
Upload Audio
Max 500MB · 50 files · streaming >50MB
Convert to what?
For MP3/OGG/M4A/AAC/OPUS. WAV/FLAC is ignored (lossless).
Max 500MB per file / 500MB batch. >50MB streamed via OPFS so low-end phones don't crash. Low memory: use smaller batch.
MP3 WAV OGG M4A FLAC AAC OPUS → MP3 WAV OGG M4A FLAC AAC OPUS
Upload Video
Max 500MB · 10 videos · streaming >50MB
Convert to what?
For MP4/WebM. Lower CRF = larger file.
Lower resolution for smaller file.
For GIF only.
For MP3 extract or WebM/MP4 audio.
For vertical video fix.
Leave empty for no crop.
Overrides CRF if set.
Limit 500MB per file / 500MB batch. >50MB streamed via OPFS. GIF uses two-pass palettegen (sharper). Rotate/crop/mute work for MP4/WebM/GIF.
MP4 WEBM GIF → MP4 WEBM GIF MP3
100% on device
No queue. No watermark. Processed directly on your device. Private and instant