無料オンラインオーディオ、ビデオおよびファイルコンバータ
オンラインでオーディオ、ビデオ、およびその他のファイルを1つのフォーマットから別のフォーマットに無料で変換できます。
Or drop files here. Max file size 1GB.
Selected Files
In Conversion
Converter Hubs
Jump straight into the specialized converter hubs for media, fonts, and curated document workflows.
ビデオコンバーター
Re-encode clips, movies, and exports across the site’s core video surfaces.
オーディオコンバーター
Convert music, podcasts, and voice files between the most common audio formats.
イメージコンバーター
Swap photo and design assets between web, print, and mobile-friendly image types.
Font Converter
Prepare fonts for desktop, web, and app delivery from one dedicated hub.
Document Converter
Browse curated document, text/data, and spreadsheet format hubs from one entry point.
Convertrを選ぶ理由
Fast, secure, and easy-to-use file conversion with support for hundreds of formats.
超高速
Convert files in seconds with our optimized conversion engine.
安全・プライベート
Your files are automatically deleted after conversion.
インストール不要
Convert files directly in your browser without any software.
300以上のフォーマット
Support for all popular audio, video, document, and image formats.
どこでも動作します
Compatible with all devices and operating systems.
100%無料
No hidden fees, no registration required, always free.
人気のある変換
最もよく使われるファイル変換へのクイックアクセス
Video Codec Converters
Convert AV1, VP9, H264, H265 (HEVC) and Apple ProRes videos into compatible MP4 files for phones, browsers, TVs, editors, and sharing.
Change AV1 or AV01 video into a compatible H264 MP4 file.
Convert AV1 or AV01 video into a standard MP4 file for sharing and playback.
Re-encode AV1 to H265/HEVC for efficient smaller-file playback.
Convert VP9 WebM video to H264 MP4 for wider device support.
Re-encode HEVC video to H264 MP4 for universal playback.
Re-encode H264 MP4 to H265/HEVC to shrink file size without quality loss.
Turn Apple ProRes masters into shareable MP4 files.
Convert Apple ProRes to H264 MP4 for universal playback and streaming.
Extract MP3 audio from MP4 video files while preserving the original audio quality.
仕組み
3つの簡単なステップでファイルを変換する
ファイルをアップロード
Drag and drop or click to select the file you want to convert.
フォーマットを選択
Select your desired output format from our extensive list.
ダウンロード
Click convert and download your converted file instantly.
Frequently Asked Questions
Everything you need to know about converting files with Convertr
Convertr supports 300+ file formats including audio (MP3, WAV, FLAC, M4A, AAC, OGG), video (MP4, MOV, AVI, WebM, MKV), images (JPG, PNG, WebP, HEIC, SVG), fonts (TTF, OTF, WOFF, WOFF2), and documents (PDF). You can convert between any supported format for free.
Yes, Convertr is 100% free. There are no hidden fees, no registration required, no watermarks, and no limits on the number of conversions. Simply upload your file, choose a format, and download.
You can upload files up to 1 GB in size. For best results with larger files, ensure you have a stable internet connection.
Yes. Your files are processed securely and automatically deleted from our servers after conversion. We never store, share, or access your files beyond the conversion process.
No. Convertr works entirely in your web browser. There is no software to download or install. It works on any device — desktop, tablet, or phone — with any modern browser.
Upload your video file (MP4, MOV, AVI, etc.) to Convertr, select MP3 as the output format, and click Convert. The audio track will be extracted and converted to MP3, ready to download in seconds.
Yes! Convertr easily converts HEIC/HEIF photos from iPhones to JPG, PNG, or any other supported image format for universal compatibility across all devices and platforms. Open the HEIC to JPG converter
Yes, Convertr is fully responsive and works on any device with a web browser — iPhone, Android, iPad, or desktop. No app installation required.
ファイルを変換する準備はできましたか？
Join millions of users who trust Convertr for their file conversion needs.