Home page of Jan E. Schotsman
Updated March 1st 2014
I specialize in digital video software for Macintosh.
Currently I offer five pieces of freeware for download:
- Deinterlacer
- Video Cleaner
- Clips Cleaner
- Movie Tools
- Extensifier
You can discuss this software in the JES forum.
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 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".
Interesting sites
Universal binary (Intel and PPC) for Mac OS X 10.5 (Leopard) and higher
New in JES Deinterlacer v3.8
Universal binary (Intel and PPC) for Mac OS X 10.4 and higher
For Mac OS 9 and Mac OS X 10.2, 10.3
Features:
- 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).
Old versions 3.3.3 and 2.7.4 available for previous Mac OS versions.
G4 and SSE accelerated.
Note: Cannot be unzipped on Mac OS 9. Use the .sit archive below instead!
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
Features:
- 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.
| Before | After |
| General Noise Reduction |  |  |
| Remove Logo |  |  |
| Average |  |  |
| Cross-luma |  |  |
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

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.
Universal binary (Intel and PPC) for Mac OS X 10.5 (Leopard) and higher
Features:
- 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
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.
Updated 18th of January 2014.
Extensifier PAD file
blog david glover creating HD video with iMovie09
the iMovie output project