Home page of Jan E. Schotsman
Updated March 3rd 2017
I specialize in digital video software for Macintosh.
Currently I am offering six pieces of freeware for download:
You can discuss this software in the JES forum.
- Video Cleaner
- Clips Cleaner
- Movie Tools
- Audio Channel Tool
In order to register you have to answer a simple question. This is a measure to keep the spam bots out.
Contact author: my email address
Donations: you can make donations to my PayPal account using my email address.
Suggested donation: $5 for Extensifier, Audio Channel Tool or Movie Tools, $15 for Video Cleaner and $25 for Deinterlacer.
Disclaimer: even though my software is designed and tested carefully I cannot be held responsible for any loss of data or other damage resulting from the use of any of these applications. Use "as is".
All field manipulations (and much more)
JES Deinterlacer v3.8.4 (2.3 MB, click link to download)Universal binary (Intel and PPC) for Mac OS X 10.5 (Leopard) and higher
New in JES Deinterlacer v3.8
- Deinterlace movies (half height/normal height/double frame rate/blend,adaptive/simple)
- Change field dominance (for PAL films with fake interlace)
- Reinterlace from one or two movies
- Standards conversion (PAL<->NTSC or custom)
- Inverse telecine
- Trim, shift, simple color correction, noise reduction
- Change encoding (RGB gamma, video range/full range)
- Fix jagged edges
- Pitch preserving sound track for half speed
- Change movie speed, reverse movie
- Interlaced in/out, progressive in/out
- Deinterlaced playback
Third version, first posted 10th of May 2006.
Updated 5th of February 2013.
Universal application, requires Mac OS 10.5 (Leopard, Intel or PPC).
G4 and SSE accelerated.
A comparison of JES Deinterlacer slow-motion vs. iMovie slow-motion: slomotests movie (18 MB, by Dave Lute)
plist for debugging startup problems
JES Deinterlacer v3.8.5a5 alpha test at your own risk
New in JES Deinterlacer v3.8.5a5
Deinterlacer PAD file
Fixes various artifacts
JES Video Cleaner v1.4.3 (796 kB, click link to download)
JES Video Cleaner v1.4.4a3 (1.7 MB, works on Lion 10.7.4)
- General noise reduction (adaptive)
- Remove logo
- Average two movies
- Remove cross-luma
- Remove periodic brightness variation
First version, updated May 21st 2012.
Carbon Macho application, G4 and SSE accelerated.
Requires Mac OS X 10.4 (Intel or PPC) or higher.
NB: noise reduction works well for "wavy" noise, not for point noise or film grain.
Before After General Noise Reduction Remove Logo Average Cross-luma
Old universal version for Tiger and Leopard: JES Video Cleaner v1.2.4 uni (616 kB)This version still has the "bottom garbage" feature (aligning lines at the bottom of video digitized from a JVC VCR). No average or reduce noise.
JES Video Cleaner v1.5a0 alpha test at your own risk
Mask out an area on movies and images
Clips Cleaner v1.3 (1.9 MB, click link to download)
This video tool adds a png banner (with transparency) over the top of all QuickTime movies and jpg image files in the selected folder and saves them to the selected target folder.
The original purpose is to anonymize medical movies.
Assorted operations on movies
JES Movie Tools v1.0 (729 kB, click link to download)
- Diff movies with enhancement options (for example, compare compressed versions of a movie)
- Make edge movie (spatial diff) or temporal diff movie.
- View chroma as luma in various ways
- Swap time and a space dimension, creating weird and intriguing movies
- Motion movie (view speed as brightness and direction as color)
- Recover all media from an edited track
First version, posted 24th of May 2009.
Universal application, requires Mac OS 10.5 (Leopard, Intel or PPC) .
G4 and SSE accelerated, multiprocessing (motion movie).
Edit image description extensions
JES Extensifier v2.5.1 (808 kB)
Extensions serve to encode interlace, scale (pixel aspect ratio), clipping and gamma.
This application lets you inspect and set these properties on a file, a group of files or a folder.
For professional use create presets and watch folders.
Can be called from the command line.
Also contains a timecode editor.
Updated 16th of May 2015.
Extensifier PAD file
AUDIO CHANNEL TOOL
Prepare movie sound for iTunes
JES Audio Channel Tool v1.0 (788 kB, click link to download)
Add sound files to a video-only movie.
Assign channel labels automatically based on file name or track name.
Conform track IDs.
Manually edit sound track names and channel layouts
Universal binary (Intel and PPC) for Mac OS X 10.5 (Leopard) and higher
JES Audio Channel Tool v2.0 (3.5 MB, click link to download)
Modern version, written in Swift, for macOS 10.11 (El Capitan) and higher