KKavalsia/tools
Kavalsia Tools

Small tools that just work.

Small, sharp utilities. Free to download and run. Each one is self contained, free, and built in house at Kavalsia.

29 tools
Images, Audio & Video8
WaveVidv1.0open →
Turn any audio file into a waveform video.
browseraudiovideo
HeicJetv1.0open →
Turn iPhone HEIC photos into JPGs anyone can open.
macOSphotosconvert
PicPackv1.0open →
Web-ready images in one drop: resized, compressed, cleaned.
macOSimagesecommerce
AudioConvertv1.0open →
Convert audio files without a sketchy converter site.
macOSaudiomusic
EXIF Stripperv1.0open →
Remove location and camera metadata from photos before you share them.
macOSphotosprivacy
File Converterv1.0open →
Convert images, audio and documents locally, no converter site.
macOSfilesconvert
Image Forgev1.0open →
Drop images in any format, resize for the web and export WebP, JPEG or PNG.
browserimageswebp
Video Convertv1.0open →
Convert any video to an optimized MP4, right in your browser.
browservideomp4
Files & Storage5
ShotSweepv1.0open →
Sweep screenshots out of any folder, straight to the Trash.
macOSbrowsercleanup
DeskTidyv1.0open →
Clear a cluttered Desktop into a dated archive, one click.
macOScleanupproductivity
DupeSweepv1.0open →
Find duplicate files by content and reclaim the space.
macOScleanupstorage
SpaceHogv1.0open →
Find what's actually eating your disk space.
macOSstorageeveryday
Duplicate Photo Finderv1.0open →
Find true duplicate photos and reclaim the space.
macOSphotoscleanup
Network & WiFi4
NetKeepv1.0open →
Stop cafe and public WiFi from dropping you the moment you go idle.
macOSshellnetworking
WiFi Passwordv1.0open →
Get the password for a WiFi network you already joined.
macOSwifieveryday
SpeedCheckv1.0open →
Is it you or the WiFi? A real speed test, no app.
macOSnetworkingeveryday
DNS Flushv1.0open →
Fix a site that won't load, in one click.
macOSnetworkingeveryday
Developer & Web7
PortFreev1.0open →
Free a stuck dev port in one click.
macOSdevelopershell
UTM Builderv1.0open →
Build clean, consistent campaign URLs so your reporting never breaks.
browserlinksmarketing
Deep-Link Creatorv1.0open →
Build and test app deep links and universal links.
browsermobiledeveloper
Strings Checkerv1.0open →
Catch missing, extra and empty localization keys before release.
browserlocalizationdeveloper
Privacy Helperv1.0open →
Map what your app collects onto an App Store privacy summary.
browsermobileapp-store
Tool Forgev1.0open →
Describe a tool and forge a ready-to-ship package, in your browser.
browserdevelopergenerator
MaxRelayv1.1open →
Keep coding when Claude Max hits its limit.
macOSdeveloperAI
Everyday & Productivity4
BatteryBellv1.0open →
Stop cooking your battery: get pinged at 80% and 20%.
macOSbatteryshell
FocusHostsv1.0open →
Block distracting sites for a focus session, then restore.
macOSfocusproductivity
OneThingv1.0open →
Focus on one thing: a calm visual timer, 20+ live soundscapes, and an ADHD-friendly toolkit.
browserfocusADHD
Offline Converterv1.0open →
Convert length, weight, temperature and currency, fully offline.
browsereverydayconvert
Media & Downloads1
VidGrabv1.0open →
Download YouTube, TikTok, Instagram, and Facebook videos as MP4.
macOSyoutubetiktok