Online converters ask too much
Web tools often put an upload step between you and a simple format change.
Private file conversion
Convert files privately on your Windows PC
LocalFlux handles your images, videos, audio, and office documents directly on your device. Skip the slow web uploads and keep your personal files strictly private.
No uploads. No accounts. No tracking.
- Local processing
- No sign-in
- No telemetry
- Offline normal use after install
Windows, x64 | Microsoft Store | $19.99 USD | One-time purchase
Why LocalFlux
Online converters ask too much of your private files
LocalFlux keeps supported conversion work on your PC, keeps the steps easy to follow, and stays focused on getting files into the format you need.
Heavy tools slow down simple jobs
You shouldn't need an expensive, complicated media editor just to change a file's format or reduce its size.
Originals stay untouched
LocalFlux creates converted copies with safe names, so source files are not overwritten.
Why people use it
One focused utility for common media and document jobs
Add files, choose a supported output format, and create converted copies without digging through a huge feature list.
Clear, reliable formats
Choose the exact output format you need without digging through vague promises or complex menus.
Convert in batches
Queue up multiple files and process them all at once. Let your PC handle the heavy lifting in the background.
Originals stay untouched
LocalFlux creates brand new converted copies, ensuring your original source files are never altered or accidentally overwritten.
Practical controls
Easily resize images and videos, or adjust quality to balance clarity and file size without overwhelming settings.
Extract audio easily
Pull MP3 or WAV audio tracks directly from supported video files.
Helpful diagnostics
If a file can't be converted, built-in diagnostics help explain what happened.
How it works
A short path from input file to converted output
- 01
Add your files
Drag and drop your files into the app, or send them straight from Windows Explorer.
- 02
Choose a format
Pick the exact output format you need for your batch of files.
- 03
Adjust settings
Fine-tune size, quality, or compression if you need to reduce the file size.
- 04
Convert locally
Click convert. Your new files are saved directly to your PC, while your originals remain completely untouched.
Supported conversions
Focused coverage for common image, audio, video, and document jobs
These examples show the kinds of everyday conversions LocalFlux is built for, with clear limits instead of vague all-to-all promises.
Images and icons
Image conversions
- HEIC JPG
- HEIF JPG
- WebP PNG
- PNG supported image outputs
- JPG supported image outputs
- SVG supported image outputs
- AVIF, GIF, and RAW supported image outputs
Convert everyday image formats, including phone photos, web images, icons, SVG, AVIF, GIF, TIFF, BMP, and RAW where supported.
Listening formats and audio capture
Audio and extraction
- Supported video MP3
- Supported video WAV
- MP3 supported audio outputs
- WAV supported audio outputs
- FLAC supported audio outputs
- AAC and M4A supported audio outputs
- OGG and WMA supported audio outputs
Convert common audio formats for playback, or extract MP3 or WAV audio from supported video files.
Playback ready outputs
Video conversions
- MP4, MOV, and MKV MP4
- MP4, MOV, and MKV WebM
- MP4, MOV, and MKV GIF
- WebM MP4, MOV, WebM, or GIF where supported
- AVI and WMV supported video outputs
- M4V and FLV supported video outputs
Convert supported video files into MP4, MOV, WebM, or GIF where supported.
Markdown, Office, and OpenDocument
Document conversions
- DOCX, XLSX, and PPTX PDF
- ODT, ODS, and ODP supported document outputs
- TXT and Markdown supported document outputs
- CSV and TSV supported document outputs
- Supported documents PDF
- Supported documents HTML, TXT, and compatible office formats
Convert supported documents to PDF, HTML, TXT, and compatible office formats. LocalFlux is not a PDF editor.
Practical controls
Everything you need, without the clutter
LocalFlux keeps conversion straightforward. Options to resize or adjust quality appear only when they actually apply to your files.
Clean resizing
Quickly resize your images and videos to fit your needs.
No stretched media
Proportions are protected automatically so your images and videos never look distorted.
Balance size and clarity
Lower the file size or maximize quality with simple, clear adjustments.
Quick access to results
Open your newly converted files or their folder the moment they're ready.
Zero overwriting
New files are automatically renamed so your originals are never lost.
Clear error messages
If a file fails, plain-text diagnostics explain exactly what went wrong.
Trust details
What makes local conversion practical
LocalFlux includes the components, safeguards, and policy details needed for a straightforward Windows conversion workflow.
Local engines
ImageMagick, FFmpeg, and LibreOffice are bundled for supported image, media, and document routes.
No setup detours
Install from the Microsoft Store, add files, choose an output, and convert.
Offline normal use
Once installed, normal supported conversions can run offline.
Originals protected
Converted files are written as new copies, with output names chosen to avoid accidental overwrites.
Transparent components
Third-party license and notice information is available inside the app.
Local diagnostics
Troubleshooting details are intended to help explain conversion failures on your PC.
Microsoft Store
One-time purchase. No subscriptions
Get LocalFlux from the Microsoft Store. Pay once for the Windows app and use it for supported image, video, audio, and document conversions.
LocalFlux
One-time purchase
- $19.99 USD
- One-time purchase
- No subscriptions
- Windows, x64
- Microsoft Store product ID: 9MX7JLQ8K07B
- Handles images, videos, audio, and documents
- Offline normal use after install
- Batch processing included
- Originals stay untouched
FAQ
Straight answers to the main buying questions
Does LocalFlux upload my files?
No. Normal conversions run on your Windows device.
Do I need to create an account?
No. You can use the app without LocalFlux sign-in or account setup.
What kinds of files can it convert?
LocalFlux handles common everyday formats for images, videos, audio, and office documents. It focuses on the formats people actually use, rather than promising all-to-all conversion.
Can it convert documents like Word or Excel?
Yes. LocalFlux converts standard office documents and text files into PDFs, HTML, or other compatible formats.
Is this a PDF editor?
No. LocalFlux can save your documents as PDFs, but it does not let you edit or rearrange PDF pages.
Can I make my files smaller?
Yes. For supported images and videos, you can easily resize dimensions or lower the quality to reduce the final file size.
Will it overwrite or delete my original files?
Never. LocalFlux always creates a brand new converted copy, leaving your original file completely untouched.
Does it work without an internet connection?
Yes. Once you install it from the Microsoft Store, normal supported conversions can run offline.
How does the app handle all these formats?
LocalFlux bundles trusted, industry-standard tools (like FFmpeg, ImageMagick, and LibreOffice) directly inside the app, so you don't have to install them separately.
Ready when you are
Convert files locally, without handing them to a website
Get LocalFlux from the Microsoft Store and handle supported everyday conversions on your Windows PC.
Windows desktop app | $19.99 USD | One-time purchase | Local conversion