FILE CONVERTER
Convert images (PNG, JPG, WebP, PDF) and videos (MP4, MOV, AVI, WebM, GIF, MP3) instantly in your browser — nothing uploaded.
// FAQ
FREQUENTLY ASKED QUESTIONS
Q1.Are my images uploaded to a server?
No. All conversion happens locally in your browser using the Canvas API and JavaScript. Your files never leave your device.
Q2.What formats can I convert?
Images: upload PNG, JPG, WebP, GIF, or BMP — output as JPG, PNG, WebP, or PDF. Videos: upload MP4, MOV, AVI, MKV, WebM, FLV, or M4V — output as MP4, WebM, animated GIF, or MP3 (audio extraction).
Q3.What does the quality slider do?
For JPG and WebP output, the quality slider controls the compression level. Higher quality means larger file size but better image fidelity. PNG uses lossless compression and has no quality setting.
Q4.Why does JPG not support transparency?
The JPG format does not support transparency (alpha channel). When converting a PNG with transparent areas to JPG, those areas are filled with white. Use WebP or PNG if you need to preserve transparency.
Q5.What size is the PDF output?
The image is scaled to fit an A4 page (210×297mm) while maintaining its original aspect ratio, with equal margins on all sides.
Q6.Is there a file size limit?
There is no enforced limit. Images process almost instantly. Video conversion runs via WebAssembly in your browser — larger files (500MB+) may be slow depending on your CPU. The first video conversion also downloads the FFmpeg engine (~30MB), which is then cached for future use.
Q7.How does video conversion work in the browser?
Video conversion uses FFmpeg compiled to WebAssembly (WASM), which runs entirely in your browser. On first use it downloads the ~30MB WASM engine (cached afterward). Your video file never leaves your device — everything is processed locally.
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