SWF to WMV Converter

How to Convert SWF to WMV Online

1. Upload Your SWF File: Drag and drop your.swf into the upload area, or click "+ Add Files" to pick one or several from your computer. Batch conversion is supported, and files stay tied to your browser session — nothing is published or shared.
2. Pick a Quality Preset and Bitrate Mode: Default is "Very High (Recommended)" — fine for most desktop playback. Drop to High or Medium for smaller archives, or switch to Constant Bitrate / Variable Bitrate / Constant Quality / Constraint Quality if you need a target file size or a specific quality ceiling.
3. Set Resolution and Trim (Optional): Keep original, pick a preset (144p through 4320p / 8K, plus 480x854, 720x1280, 1080x1920 portrait), or enter a custom Width / Height / Width x Height. Use Resolution Percentage for fast downscaling, or set a Time Range to trim a clip from a longer animation.
4. Convert and Download: Click Convert. Each SWF is rendered to a WMV (Microsoft's ASF container with a WMV2 video stream and WMA2 audio by default), then offered as a download — no watermark, no sign-up.

Why Convert SWF to WMV?

Adobe officially ended Flash Player support on December 31, 2020, and on January 12, 2021 pushed a kill-switch update that blocks.swf playback in the plugin entirely. SWF files still exist on hard drives, archive sites, and old training discs, but to actually watch them today you need to render the timeline into a normal video file. WMV is Microsoft's video format — it ships in the ASF container and plays natively on Windows 10 and Windows 11 via the Media Player and Films & TV apps, with no codec pack required.

• Reach Windows machines without third-party players — WMV plays in the built-in Windows Media Player and the modern Films & TV app on Windows 10/11 with zero install. Useful for corporate environments where IT blocks VLC or third-party codec packs.
• Archive old Flash animations on internal file shares — Education libraries, museum collections, and e-learning vendors often standardised on WMV in the 2000s; converting recovered.swf assets to WMV keeps them next to their siblings on a SharePoint or network drive.
• Embed in legacy PowerPoint decks — PowerPoint (especially 2010 and 2013, still widely deployed inside enterprise IT) embeds WMV cleanly without external codecs, while.swf insertion broke after the 2021 Flash kill-switch.
• Feed older editing tools — Movie Maker, Camtasia 7, Premiere Elements 11, and similar editors that predate broad H.264 support handle WMV natively without transcoding round-trips.
• Burn to DVD or copy to a USB stick for a smart TV — A lot of older Samsung, LG, and Philips TVs list.wmv as a supported USB playback format while refusing.swf.
• Strip out ActionScript and embedded scripts — Converting to WMV rasterises the timeline into pixels. The result is a flat, non-interactive video, which is exactly what you want when redistributing animations that originally relied on ActionScript hooks you no longer have the source for.

SWF vs WMV — Format Comparison

Codec and Quality Settings Reference

Frequently Asked Questions

Why can't I just play my SWF file directly anymore?

Adobe stopped distributing and supporting Flash Player on December 31, 2020, and on January 12, 2021 pushed an update that hard-blocks Flash content from running in the plugin. Chrome, Firefox, Edge, and Safari all removed Flash support in the same window, and Microsoft delivered KB4577586 to remove Flash from Windows. There's no first-party way to play a.swf today — converting to WMV (or MP4) is the standard recovery path.

Will the interactive parts of my SWF still work after converting to WMV?

No. SWF can store ActionScript, button hit areas, forms, and external data calls; WMV is a flat video container with no scripting layer. When this tool renders your.swf into WMV it plays the main timeline and captures the output as pixels — buttons become un-clickable, ActionScript stops running, and any content that needed a server response will be skipped or frozen. If you need to preserve interactivity, look at HTML5 republishing instead.

What codec does the WMV output actually use?

By default the output is WMV2 video (Windows Media Video 8/9 family) inside an ASF container, paired with WMA2 audio. That combination plays out of the box on every version of Windows from Windows 7 through Windows 11, and is also recognised by VLC, MPC-HC, and most smart TVs that list WMV USB playback. Microsoft's WMV9 codec was later standardised by SMPTE as VC-1, the same codec used on HD DVD and Blu-ray.

My SWF is a vector animation — will it look blurry as WMV?

It can, because converting any vector format to video means rasterising the timeline into a fixed pixel grid. Pick the highest output resolution that makes sense for the original stage size — if the.swf was authored at 800x600, exporting at 1920x1080 just gives you bigger pixels, not more detail. Use the Quality Preset "Very High" plus a 720p or 1080p preset for most cartoons; only go higher if the source actually contains high-res bitmaps.

Does this convert SWF games and quizzes too, or only animations?

Only animations and timeline content. Games, quizzes, and tutorials that respond to clicks rely on ActionScript and often on external data — none of that survives the conversion. The output WMV will play the main timeline as it would have played without any user input, so a quiz might appear stuck on its title screen. For interactive Flash content the better path is decompiling and rebuilding in HTML5; for animations and intros, SWF to WMV works well.

Why pick WMV over MP4 for a Windows-only audience?

Two reasons: corporate IT lockdowns and PowerPoint embedding. WMV plays in the built-in Windows Media Player and Films & TV app on Windows 10/11 without any codec install, while older Windows 7 machines and locked-down enterprise images sometimes lack the H.264 components needed for MP4. WMV also embeds cleanly into PowerPoint 2010/2013 without extra dependencies. For a general modern audience MP4 is the better default — see SWF to MP4 for that path.

Can I trim a long SWF down to just the clip I need?

Yes. Open the Trim section, switch from "Unchanged" to "Time Range," and set a start and duration in hours:minutes:seconds:milliseconds. Useful when an SWF is a long tutorial and you only need one chapter, or when a Flash banner has a 60-second loop and you only need the first iteration.

Are there file size or count limits?

XConvert processes files withon our servers and applies the same fair-use limits as other conversions on the site — there's no hard per-file cap published for SWF, but very large SWFs containing many embedded video clips will take longer to render. Batch conversion is supported; you can queue multiple.swf files at once and they will all be returned as.wmv. If you need a different output container for the same source files, see SWF to AVI or SWF to MOV.