Photography
Meta user
Network profile
565
reputation
1
5
11

Glenn Randers-Pehrson

Coauthor of PNG spec, developer/maintainer of libpng, on development teams for ImageMagick and GraphicsMagick. Author of pngcrush. Maintains PNG support in Firefox. Retired, father of four, grandfather of fifteen.

profile for Glenn Randers-Pehrson on Stack Exchange, a network of free, community-driven Q&A sites.

LICENSE: All my StackExchange contributions across all sites, except as noted within any particular contribution, are available under the standard SO/SE licensing terms (CC-BY-SA) or under the CC-0 Public Domain Dedication, at your choice.

[Open Hub profile]

5
answers
0
questions
~20k
people reached

Communities (12)

Top Meta Posts
0
1

Top network posts

Top tags (11)

Score 31
Posts 1
Posts % 20
Score 31
Posts 1
Score 5
Posts 1
Score 5
Posts 1
Score 5
Posts 1
Score 5
Posts 1
View all tags →

Top posts (5) All Questions Answers | Votes Newest

31 How do I keep track of many, many clients in a single shoot (like a school portrait day)? Oct 19 '15
5 How do I convert multiple JPG images to PNG at once in Photoshop? Aug 7 '16
5 Who took this picture of a Concorde during the 1973 eclipse, and how? Oct 12 '16
2 A poster with 300 faces Sep 26 '16
1 What are the benefits of using GPS tagging? Jan 23 '17

Badges (17)

Gold

1

Rarest

Silver

5

Rarest

Bronze

11

Rarest

View all badges →