An independent Windows software studio

Small, sharp Windows utilities.

Focused tools that do one job well. Pay once and own it. Everything runs on your PC and your files never leave it.

One-time purchase
No subscriptions, no accounts
Sold through the Microsoft Store

The apps

Featured

FlipConvert

$8.99 one-time

Batch image converter. Drop in files or whole folders, pick a format, done.

HEIC, WebP, PNG, JPG, BMP, TIFF, GIF in and out
Convert a whole folder in one drop
Quality slider with lossless WebP
Output next to originals or anywhere you choose

FlipConvert converting a batch of images

ByteTidy

$19.99 one-time

Duplicate file finder and storage cleaner that only flags true duplicates.

Exact content matching, hash-verified, no false positives
OneDrive safe: cloud-only files are never downloaded
Treemap view shows what is eating your disk
Deletes go to the Recycle Bin, always restorable

JuiceView

$2.99 one-time

Battery levels for your controllers and Bluetooth gear, right in the tray.

Xbox controllers and Bluetooth devices in one list
Lives quietly in the tray and updates every minute
No setup. Plug in, pair, see percentages

ByteTable

$9.99 one-time

Open any SQLite database and actually read it. Safely.

Read-only by default until you deliberately unlock editing
Browse, sort, filter and page through big tables
SQL console for quick queries
Careful, guarded edits when you need them

ByteDraft

$4.99 one-time

Open DXF drawings instantly. No CAD suite required.

Drag and drop DXF files onto a fast 2D canvas
Pan, zoom, and layer toggles with true colors
Measure distances and areas in drawing units
Export any view as a PNG image

MailCrate

$9.99 one-time

Read saved .eml and Outlook .msg email files without Outlook.

Opens .eml and .msg by drag and drop
Sanitized, sandboxed viewing built for untrusted mail
Remote images blocked by default
Save attachments, search, export as text

ProofSync

$19.99 one-time

Backup verification. Prove your backup really copied everything.

Compare two folders in seconds: missing, changed, and extra files
Byte-for-byte verification catches silent corruption
One-click sync; replaced files go to the Recycle Bin first, always restorable
OneDrive safe, and your source folder is never modified

PubCrate

$8.99 one-time

Open Microsoft Publisher .pub files after Publisher is gone.

View every page of a .pub file, no Publisher or Microsoft 365 needed
Copy any page's text or export the whole document as text
Save any page as a PNG image
Read-only and safe: your original file is never modified

ScanScribe

$9.99 one-time

Pull text out of images, scans, and screenshots. Completely offline.

Extract text from images, scans, screenshots and photos
Build searchable PDFs that look like the scan but with selectable text
Copy all the text, or click any single word to copy it
100% offline: nothing is uploaded, no account, no subscription

Your data stays yours

Every KS-ByteBox app runs entirely on your PC. No accounts, no tracking, and nothing ever leaves your machine. Purchases and licensing are handled by the Microsoft Store.

Read the full privacy policy

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TallyMint, our personal finance app for Windows. Budgets, bank sync, cash flow projections, and reports. One-time price with a 30-day free trial.

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