Lossless JPEG transformations made easy with TranJPEG

You spin me right round, baby, right round, like a record JPEG baby, right round round round. Chris Johnson, well known for a number of applications, in particular the likes of Snapper and SyncDiscs, both of which began life with David Pilling and later taken over by Chris, recently announced version 1.00 of TranJPEG (mirror), soon followed by updates to version 1.10 and 1.20, which presents a RISC OS front-end for the Independent JPEG Group command-line utility “jpegtran”, giving the user a friendly and easy way to make use of…

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Snapper jumps from version 1.17 to 1.20

One, two, miss a few, ninety-nine, one hundred. Snapper is a screen-capture program, originally written by David Pilling and supplied with his scanning and image processing software, and now maintained and further developed by Chris Johnson.The software provides an easy way to save areas of the screen as sprites, something that can also be done with Paint, supplied as standard with RISC OS, but with additional options that make Snapper much more versatile.

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SyncDiscs 1.25 released

Sync it to me, baby! Described on its website (mirror) as “A versatile disc backup program”, SyncDiscs is an application that will ensure the contents of two discs or directories are kept the same. Example uses of the software include keeping backup copies of a disc or directory – unsurprisingly, given that tagline – or keeping one computer’s disc synchronised with the another. Chris Johnson, also known for applications such as UnitConv, has taken over the maintenance and development of SyncDiscs with the full agreement and encouragement of its original…

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UnitConv 2.35 available

A conversion is as good as a rest. Late last year, Chris Johnson made available version 2.35 of UnitConv, his application for performing conversions between different units. Mainly offering SI and Imperial units, UnitConv also allows for some more specialised conversions, such as energy equivalents, along with a few other gems, such as binary, octal, hexadecimal and decimal conversions, a gas molecule speed calculator and an image size reckoner.

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