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Convert WMV to MP4 Online — Free WMV to MP4 Converter

Turn old Windows Media videos into universal MP4 files. No software. Works on any device.

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MP4, MOV, AVI, MKV, WebM

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Source language
Target language

Pick two different languages to start dubbing.

Voice

The sample plays in the target language so you can compare before starting.

Keep original voice underneath

Low volume, behind the translated voice.

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Examples:

Platform

Duration

Audience & tone Optional

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Your Video Script

Video duration
Minutes required
Minutes used / limit
Minutes remaining
Estimated balance after (min)

Quota is based on full video duration. Queued and running tasks are included; the exact balance is checked before transfer.

COMPATIBLE PLATFORMS

Duration :

Target format

Exact size (pixels)

× px

Fit mode

Resolution

0.25x1x2x4x

Uploading background…

Transparent export (ProRes .mov with alpha). Reserved for the Pass or a Pro plan; the preview shows on a checkerboard.

Drag · resize · rotate
Placement
Text
Logo / Image
Common settings
optional

Length of the final edit

Output Format

Keywords (optional)

Rotate the video to enable.

Get an email the moment it's ready.

The style applies to THIS clip only. Your other clips stay available on the result page — you can caption them separately, now or later from your dashboard.
LIVE PREVIEW · BURNED-IN CAPTIONS

Klipa is preparing your preview

Your best clip is being cut and auto-reframed (face tracking). This preparation happens only once — about 30 seconds.

No speech detected in this preview clip — clips that do contain speech will still be captioned.
Captions update live
Font
Size
Position
Text
Highlight
Caption text
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This file is no longer available

Preparing your logo-free video… The download will start on its own.

Format Length Size Quality Saved Time removed Cuts ✓ Logo-free unlocked for this video

Subtitles (.srt) separate file

Your video is ready

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Convert WMV to MP4 — your Windows-era videos, playable everywhere

WMV (Windows Media Video) was everywhere in the 2000s: Movie Maker exports, camcorder software, corporate presentations. Today, phones and Macs often refuse to open it. Klipa's WMV to MP4 converter re-encodes those files into standard MP4 (H.264 + AAC) — the format that plays on every device made this decade.

Everything happens online: no codec packs, no desktop software from a dubious download site. Once converted, shrink the file for messaging, trim the good part, or convert other formats with the main converter.

How to convert WMV to MP4

Step 1

Upload your WMV file

Drag and drop your WMV video — old family footage, Movie Maker projects, corporate archives from the Windows era. Large files are accepted.

Step 2

The conversion runs in the cloud

Our server re-encodes the Windows Media stream to H.264 + AAC, the combination every modern device understands. You don't install anything and your computer does none of the work.

Step 3

Save your universal MP4

Your video now plays on iPhone, Android, Mac, smart TVs and in every editor. Compress it to share by email, or add subtitles before publishing.

Why convert WMV to MP4?

🔄

Escape the Windows-only trap

WMV was built for Windows Media Player. MP4 plays on every phone, tablet, TV and operating system.

🎬

Rescue old archives

Family videos and Movie Maker projects from the 2000s become watchable and shareable again.

Ready for editing

Modern editors handle MP4 far better than WMV. Convert first, edit without headaches after.

🌐

Clean, no watermark

The converter returns your own video, full length, without any logo stamped on it.

WMV TO MP4: USE CASES

Family archives

Videos captured with old camcorders or saved from Windows PCs become playable on today's phones and TVs — and safe to back up in a modern format.

Movie Maker projects

Films exported from Windows Movie Maker live again: convert them to MP4 and re-edit them in any modern editor.

Old work presentations

Corporate and training videos from the WMV era can be shared with colleagues on Mac, mobile, or embedded in modern slide decks.

WMV to MP4 — FAQ

Yes — free conversions every day, no account needed to try. Larger files and more conversions per day come with the Pro plan.
WMV must be re-encoded (its codec isn't MP4-compatible), but we use quality settings where the difference is not visible in normal viewing. The output will never look worse than the source.
WMV uses Microsoft's Windows Media codecs, which most non-Windows devices never supported. Converting to MP4 (H.264) solves it permanently.
Without an account, conversions accept up to 500 MB and 5 minutes per video (1080p max). Pro raises this to 2 GB and 2 hours, and Studio goes further.
Yes. The audio track is converted along with the video in the same pass, so synchronization is preserved.
No — we deliberately target modern formats (MP4, MOV, WebM, MKV, AVI). There is no good reason to produce new WMV files today.
No. Files are deleted automatically after processing — 48 h for anonymous uploads, 7 days with a free account.

What Creators Say

Convert your WMV to MP4 now

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From WMV to MP4 — old videos, new life

Don't let a discontinued format hold your memories hostage. Klipa converts WMV to universal MP4 in minutes, online and watermark-free. Then use the compressor, the cutter or AI subtitles to get them ready for today's platforms.

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