iformat.io Logo iformat.io

Video Converter

Use our free online video converter to change video formats for playback, editing, social uploads, archiving, and web delivery. Convert MP4, MOV, AVI, MKV, WebM, TS, MTS, and VOB files quickly while improving compatibility, reducing file size, and matching platform requirements.

Drop files here
or click anywhere in this box to choose files
Files deleted within 24 hours TLS-encrypted upload No sign-up required Batch convert supported

Max file size 50MB. Sign up for more.

About Video Converter

Video conversion involves two distinct components: the container format and the codec inside it. The container (MP4, MKV, MOV, AVI, WebM) is the outer wrapper that determines which devices and software can open the file. The codec (H.264, H.265, VP9, AV1) is the compression algorithm that determines the actual file size and visual quality. Two files can share the same container but use completely different codecs, which is why an MP4 might play on one device but fail on another. During conversion, resolution and frame rate are preserved by default. A 1080p video at 30 fps stays 1080p at 30 fps in the output unless you specifically choose to change it.

Different platforms and editing tools have specific format requirements. YouTube processes MP4 with H.264 most efficiently and recommends it as the default upload format. Apple devices and Final Cut Pro work best with MOV containers. Web embedding benefits from WebP with VP9, natively supported in modern browsers. MKV is popular for archiving because it supports unlimited audio tracks, subtitle streams, and chapter markers in a single file.

If you already know your conversion, jump to a dedicated tool: MP4 Converter, MOV to MP4, MP4 to MP3, or Video to GIF. If you are comparing formats or need a general converter, start here.

How to Convert Videos Online

Convert MP4, AVI, MOV, MKV, WMV and more from your browser. No software install, no account, no quality loss — just pick a format and download.

Upload Your Video

Drop your video onto the tool or click to browse. Accepts MP4, AVI, MOV, MKV, WMV, FLV, WebM, MPEG, 3GP and more. Free plan covers files up to 10 MB; paid plans handle up to 500 MB for longer videos.

Select Output Format

Choose your target: MP4 (H.264) is the YouTube and TikTok standard and plays everywhere; MOV is native on Apple devices; MKV keeps the highest quality; WebM is optimised for websites and loads faster.

Download & Share

Your converted video is ready to download in minutes — not hours. Files under 100 MB typically finish in under 60 seconds. All videos are automatically deleted from our servers within 24 hours.

Why Choose Our Video Converter

Fix Playback Errors

"Format not supported" errors almost always mean the device lacks the right codec. Converting to MP4 with H.264 resolves this because it is the most universally supported container-codec combination across TVs, phones, browsers, and media players.

Meet Upload Requirements

YouTube recommends MP4 with H.264 for fastest processing. TikTok requires MP4 or MOV under specific size limits. Instagram Reels needs MP4 with particular resolution settings. Converting to each platform's preferred format avoids rejection errors.

Shrink File Size for Sharing

H.265 (HEVC) produces files that are 40-50% smaller than H.264 at the same visual quality. Converting from older codecs like MPEG-2 or DivX to a modern codec reduces file size dramatically, making it practical to share large videos over email or cloud storage.

Preserve Subtitles and Audio Tracks

MKV files often contain multiple subtitle languages and audio tracks in a single container. Choosing the right output format matters when you need to keep multilingual subtitles, commentary tracks, or director's cuts intact alongside the main video.

Import Into Any Editor

Premiere Pro handles MP4 and MOV most reliably. Final Cut Pro is optimised for MOV with ProRes codecs. DaVinci Resolve works best with MKV and MP4. Converting your footage to the format your editor prefers prevents timeline errors and sluggish rendering.

Handle Camera-Specific Formats

Camcorders and action cameras often save in AVCHD, MTS, or TS formats that most editing software cannot import directly. Converting to MP4 or MOV makes the footage instantly usable in any editor or social-media platform.

How to Choose the Right Video Format

Key points covered on this page, including compatibility notes, workflow tips, and practical quality trade-offs.

Playback and upload compatibility Editing-friendly format choices Useful for social and web delivery Batch video conversion support

Use our browser-based video converter to change video formats for playback, editing, social uploads, archiving, and web delivery. Convert MP4, MOV, AVI, MKV, WebM, TS, MTS, and VOB files quickly while improving compatibility, reducing file size, and matching platform requirements.

Choose MP4 for the widest playback support, MOV for Apple and editing workflows, MKV when subtitles or multiple tracks matter, and WebM when the destination is a browser or website.

The video converter is useful for camera exports, social uploads, archived footage, screen recordings, DVD extractions, and platform-specific delivery requirements.

Video Converter FAQ

Quick answers about supported formats, common conversion workflows, and how to choose the right video conversion path.

What is a video converter?

A video converter is a tool that changes one video format into another so the file is easier to play, upload, share, edit, or archive. It helps when a video will not open on a device, when a platform expects a specific format, or when you want a smaller and more compatible file.

Which video format is best for general compatibility?

MP4 is usually the best default for general compatibility because it works across most browsers, phones, laptops, social platforms, smart TVs, and media players. If you are not sure which format to pick, MP4 is usually the safest choice for everyday playback and sharing.

What is the difference between MP4, MOV, AVI, MKV, and WebM?

These are video containers that suit different workflows. MP4 is the most universal choice, MOV is common in Apple and editing environments, AVI is older and often larger, MKV is flexible for subtitles and multiple audio tracks, and WebM is designed for modern browser-based playback.

Will converting a video reduce quality?

It can, depending on the source file, codec, and output settings. Some conversions prioritize compatibility or smaller file size, which can reduce quality, while others aim to preserve the original visual result as closely as possible. The best output depends on whether playback, editing, storage, or upload acceptance matters most.

Can video conversion help reduce file size?

Yes. Converting older or less efficient video formats into newer, more efficient ones can make files much smaller and easier to upload, store, or share. Smaller video files are especially useful for social uploads, cloud storage, and sending media across devices.

Can I convert video formats for editing software and social media?

Yes. People often convert video specifically for apps like Final Cut Pro, Premiere Pro, DaVinci Resolve, YouTube, TikTok, Instagram, and other workflows with format preferences or restrictions. Matching the expected format can prevent playback issues, upload errors, and timeline problems.

Can I batch convert multiple videos online?

Yes. You can upload multiple video files and convert them in one run, which is useful for camera footage, archived media, social exports, and recurring production work. Batch conversion saves time compared with processing each file manually.

Is the online video converter safe to use?

Yes. The converter is designed for temporary browser-based processing, and files are not meant to stay stored long term. This makes it practical for quick format changes while keeping the workflow private and simple.