Step-by-step file conversion guides for Windows and Mac, each with a video walkthrough.

Convert MP4 to MP3 on Windows or Mac without uploading anything. This guide covers single files, batch conversion, doing it for free, and whether MP4 to MP3 conversion is safe.

Convert iPhone HEIC photos to JPG on Windows or Mac without uploading them anywhere. Covers single photos, batch conversion, free options, HEIC vs JPG, and safety.

Turn any video file into an MP3 on Windows or Mac without uploading it. Works with MP4, MOV, MKV, WEBM, and AVI. Covers free options, batch conversion, and safety.

Convert MOV to MP4 on Windows or Mac without uploading your videos anywhere. Covers batch conversion, quality settings, converting back to MOV, and safety.

Convert M4A audio to MP3 on Windows or Mac without uploading it. Covers voice memos, batch conversion, free options, M4A vs MP3, and other output formats.

Convert iPhone HEIC photos to PNG on Windows or Mac without uploading them. Covers batch conversion, when to pick PNG over JPG, and keeping your photos private.

Convert iPhone HEIC photos to PDF on Windows or Mac, including combining multiple photos into one multipage PDF. Runs offline, so photos are never uploaded.

Convert JPG, PNG, HEIC, and other images to PDF on Windows or Mac, or combine multiple images into one multipage PDF. Offline, so nothing gets uploaded.

Convert WEBP images to JPG on Windows or Mac without uploading them. Covers batch conversion, converting JPG back to WEBP, and WEBP vs JPG differences.

Convert JPG or JPEG images to PNG on Windows or Mac without uploading them. Covers batch conversion, when PNG is the right choice, and JPG vs PNG differences.

Convert WAV audio to MP3 on Windows or Mac without uploading your recordings. Covers batch conversion, WAV vs MP3 file sizes, and other audio outputs.

Convert MP3 audio to WAV on Windows or Mac without uploading it. Covers why editors want WAV, batch conversion, and what the conversion can and can't do.

Convert MKV videos to MP4 on Windows or Mac without uploading them. Covers batch conversion, MKV to MP3 audio extraction, MP4 to MKV, and MKV vs MP4.

Convert WEBM videos to MP4 on Windows or Mac without uploading them. Covers batch conversion, WEBM to MP3 audio, MP4 to WEBM, and WEBM vs MP4 differences.

Convert any audio or video file to MP3 on Windows or Mac without uploading it. One drag-and-drop flow for MP4, WAV, M4A, FLAC, MOV, and more.

Convert any video to MP4 on Windows or Mac without uploading it. MOV, MKV, WEBM, and AVI all go through the same drag-and-drop flow, offline.

Convert any image to JPG on Windows or Mac without uploading it. HEIC, WEBP, PNG, and more, one drag-and-drop flow, including the JPG vs JPEG question.

Convert any image to PNG on Windows or Mac without uploading it. HEIC, JPG, WEBP, and more through one drag-and-drop flow, entirely offline.

Convert any audio or video file to WAV on Windows or Mac without uploading it. MP3, M4A, FLAC, and even video soundtracks, one offline drag-and-drop flow.

Convert old AVI videos to MP4 on Windows or Mac without uploading them. Covers batch conversion, AVI to MP3 audio, MP4 to AVI, and AVI vs MP4 differences.

Extract uncompressed WAV audio from MP4 videos on Windows or Mac without uploading them. Also covers MP4 to M4A and AAC, batch conversion, and safety.

Extract MP3 audio from iPhone and QuickTime MOV videos on Windows or Mac without uploading them. Also covers MOV to WAV and FLAC, and batch conversion.

Convert AAC audio to MP3 on Windows or Mac without uploading it. Also covers AAC to WAV and M4A, batch conversion, and AAC vs MP3 differences.

JPG and JPEG are the same format. Here's why both extensions exist, when a picky upload form cares, and how to produce whichever one you need in seconds.

iPhone photos come as HEIC files that half your software can't open. Here's how to get them off the phone and converted to JPG on Windows or Mac, offline.

Convert MP4, MOV, and other videos to WEBM on Windows or Mac without uploading them. The format the web wants, produced locally with drag and drop.

Convert JPG, PNG, or HEIC images to ICO files for favicons and Windows icons, on Windows or Mac, without uploading anything.

One offline tool for every audio conversion on Windows and Mac: MP3, WAV, FLAC, M4A, AAC, and OGG, with a plain-english guide to picking the right format.

One offline tool for every video conversion on Windows and Mac: MP4, MOV, MKV, WEBM, and AVI, plus a quick guide to choosing the right container.

One offline tool for every image conversion on Windows and Mac: JPG, PNG, WEBP, HEIC, TIFF, BMP, AVIF, ICO, and more, with guidance on choosing formats.

M4P files are DRM-protected iTunes audio, so converters can't touch them directly. Here's the legitimate two-step route to MP3 using iTunes plus ConvertSave.