Queue preview
diagram.svg
PNG, WebP, or ICO
travelclip.mp4
MOV, GIF, or WAV
notes.md
HTML, TXT, or PDF
Private file conversion
Convert files locally on your Windows PC
LocalFlux is a native Windows app for converting images, audio, video, Markdown, Office, and OpenDocument files. No uploads. No accounts. Just a straightforward queue that runs entirely on your device.
- Local processing with no upload flow
- No account required
- Images, audio, video, and document routes
- Offline after install
- One-time purchase
Windows desktop app | Microsoft Store | $19.99 USD | One-time purchase
Why LocalFlux
Format conversion should not feel like a trust exercise.
LocalFlux keeps conversion on your PC, keeps the steps easy to follow, and stays focused on getting files into the format you need.
Web converters break your flow
Upload steps, redirects, and unclear limits get in the way when all you need is a file in the right format.
Desktop suites are too heavy
You shouldn't need a full editor, a PDF toolkit, or a long checklist of settings just to convert a single file.
Your files should stay private
Keep your original files untouched, process everything locally, and open the finished result immediately.
Why people use it
One focused utility for common media and document jobs.
Add your files, choose from supported outputs, and get a usable result without digging through a huge feature list.
Compatible outputs only
The app intelligently filters the output list to show only formats that fit the files you added.
Fast, parallel processing
Queue multiple items and watch them process simultaneously. The app handles multiple conversions at once while keeping your system responsive.
Originals stay untouched
Converted files use collision-safe naming by default, ensuring your original source files are never overwritten.
Practical visual controls
Easily adjust resize, aspect ratio lock, and quality settings for supported image and video outputs.
Flexible save locations
Save right next to the source file, ask every time, or configure a fixed output folder for repetitive work.
Direct access to results
Open the finished file or its folder directly from the queue. If a file fails, copy local diagnostics to see why.
How it works
Three steps, with the unnecessary choices removed.
- 01
Add your files
Drop files in, browse with the Windows picker, or right-click files directly in File Explorer to send them to the queue.
- 02
Choose a format
Review the queue, pick from compatible routes, and adjust supported controls only when you need them.
- 03
Convert and open
Processing stays entirely on your device. Originals remain in place, and completed files open directly from the queue.
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 in one promises.
Images and icons
Image conversions
- HEIC JPG
- SVG PNG
- PNG WebP
- JPG ICO
- HEIF ICO
- WebP PNG
Convert everyday image formats, including HEIC and HEIF photos from your phone, plus dedicated outputs for Windows icons.
Listening formats and audio capture
Audio and extraction
- WAV MP3
- MP3 WAV
- FLAC MP3
- M4A WAV
- MOV WAV
- MP4 MP3
Convert standard audio formats for playback, or extract high-quality audio tracks directly from supported video files.
Playback ready outputs
Video conversions
- MOV MP4
- MP4 MOV
- MP4 GIF
- MKV MP4
- WebM MOV
- AVI GIF
Clean up video formats for easy sharing and playback across devices, or turn short clips into shareable GIFs.
Markdown, Office, and OpenDocument
Document conversions
- Markdown HTML
- Markdown PDF
- DOCX HTML
- XLSX PDF
- ODT DOCX
- ODP PPTX
Handle essential conversions for Markdown, Office, and OpenDocument files without needing a heavy editing suite.
Practical controls
Keep the workflow simple, and add control only when you need it
LocalFlux is designed for speed, but provides the essential settings you actually care about for images and videos.
Resize without the clutter
Adjust dimensions for image and video outputs directly in the queue without navigating complex expert panels.
Aspect ratio protection
An aspect ratio lock helps keep your visual outputs from stretching while you adjust their size.
Clear quality adjustments
A simple quality slider gives you intuitive control over the balance between file size and visual fidelity.
Results always close by
Completed jobs let you open the converted file or its output folder immediately with a single click.
Failures stay isolated
One problematic file won't stop the rest of your queue. Large batches will keep processing smoothly.
Readable error guidance
If a file can't be converted, you get plain-language explanations instead of cryptic system errors.
Privacy and trust
Your files stay on your PC.
LocalFlux is built around local conversion on Windows, no sign in requirement for the core flow, offline use after install, and clear trust information inside the app.
Private by default
The core conversion workflow runs strictly on your Windows device instead of sending files to a web server.
No sign-in required
Go from source file to finished output without ever creating an account or hitting a paywall.
Offline after install
Normal everyday use works completely offline, because all conversion happens locally on your machine.
Bundled local components
Image, audio, video, and document routes rely exclusively on trusted local components that ship with the app.
Built-in transparency
Privacy details, third-party licenses, and the Microsoft Store privacy policy are accessible directly within the app.
Local diagnostics
Failures surface readable guidance and copyable details that stay on your machine unless you choose to share them.
Pricing
One-time purchase. No subscriptions
LocalFlux is available through the Microsoft Store as a single, upfront purchase. There are no recurring fees, no renewal cycles, and no account required to convert your files.
LocalFlux
One-time purchase
- $19.99 USD
- One-time purchase
- Available on Microsoft Store
- No active subscription required
- Common image, audio, video, and document routes
- Offline after install
- No account required for core conversion
Store link and support contact will appear here when available.
FAQ
Straight answers to the main buying questions.
Does LocalFlux upload my files?
No. The core conversion workflow stays on your Windows device.
Does it require an account?
No. The core experience does not require sign in or account creation.
What kinds of files can it convert?
LocalFlux supports curated image, audio, video, extraction, Markdown, text, Office, and OpenDocument conversion routes for common formats. It does not promise universal conversion across every listed family.
Does it support document conversion?
Yes. LocalFlux supports TXT, Markdown, DOCX, XLSX, PPTX, ODT, ODS, and ODP source files, with supported outputs that include HTML, TXT, PDF, and selected Office or OpenDocument interchange routes.
Does it support PDF workflows?
Only narrowly. LocalFlux supports supported document to PDF exports such as Markdown to PDF, DOCX to PDF, XLSX to PDF, PPTX to PDF, ODT to PDF, ODS to PDF, and ODP to PDF. It is not a PDF editor or PDF toolkit.
Can it convert multiple files?
Yes. LocalFlux supports multiple files and processes them in parallel to save you time.
Can I resize or tune output quality?
Yes, for supported image and video outputs. LocalFlux can expose resize controls, aspect ratio lock, and a simple quality or compression control where those settings apply.
Can I choose where converted files are saved?
Yes. By default, files save to the same folder as the source. The app can also ask every time or use a fixed output folder.
Does it overwrite the original file?
No. Originals are preserved. Converted files use safe names such as filename_converted.ext, with incremented naming if needed.
Can I cancel a conversion?
Yes. The active job can be cancelled.
What happens if one file fails?
A failed item does not stop the remaining queue. The app surfaces per item status and supports copying local diagnostics for failures.
Does it work offline?
The intended normal workflow works offline after install because conversion runs locally with bundled components.
Is it available on Mac or Linux?
No. LocalFlux is a Windows only desktop app.
Ready when you are
A calmer way to handle everyday file conversion
Convert files on your Windows device, skip the upload step, and move from source to usable result with less friction.
Windows desktop app | $19.99 USD | One-time purchase | Local conversion