Besides gaining reputation with your questions and answers, you receive badges for being especially helpful. Badges appear on your profile page, flair, and your posts.

Question Badges

First bounty you manually award on another person's question
138 awarded
First bounty you manually award on your own question
575 awarded
Ask a well-received question on 5 separate days, and maintain a positive question record
3.3k awarded
Ask a well-received question on 30 separate days, and maintain a positive question record
213 awarded
Ask a well-received question on 100 separate days, and maintain a positive question record
29 awarded
Question favorited by 25 users
911 awarded
Question favorited by 100 users
99 awarded
First bounty you offer on another person's question
266 awarded
Question score of 10 or more
11.5k awarded
Question score of 25 or more
3.7k awarded
Question score of 100 or more
509 awarded
Question with 1,000 views
67.5k awarded
Question with 2,500 views
38k awarded
Question with 10,000 views
13.4k awarded
First bounty you offer on your own question
1.4k awarded
Ask a question and accept an answer
36k awarded
First question with score of 1 or more
57.1k awarded

Answer Badges

First to answer and accepted with score of 10 or more
7.1k awarded
Edit and answer 1 question (both actions within 12 hours, answer score > 0)
915 awarded
Edit and answer 50 questions (both actions within 12 hours, answer score > 0)
33 awarded
Edit and answer 500 questions (both actions within 12 hours, answer score > 0)
3 awarded
Provide non-wiki answers of 15 total score in 20 of top 40 tags
96 awarded
Accepted answer and score of 40 or more
2k awarded
Answer score of 5 or more to a question score of -2 or less that goes on to receive a score of 2 or more
103 awarded
Answer score of 20 or more to a question score of -3 or less that goes on to receive a score of 3 or more
3 awarded
Answer score of 10 or more
20.6k awarded
Answer score of 25 or more
6.3k awarded
Answer score of 100 or more
802 awarded
Highest scoring answer that outscored an accepted answer with score of more than 10 by more than 2x
264 awarded
Answer more than 30 days after a question was asked as first answer scoring 2 or more
4.8k awarded
Answer a question more than 60 days later with score of 5 or more
5.6k awarded
Answer your own question with score of 3 or more
2.4k awarded
Answer a question with score of 1 or more
33.1k awarded
Zero score accepted answers: more than 5 and 20% of total
87 awarded
Zero score accepted answers: more than 10 and 25% of total
22 awarded

Participation Badges

Complete "About Me" section of user profile
110.8k awarded
Visit an election during any phase of an active election and have enough reputation to cast a vote
3.2k awarded
Vote for a candidate in the final phase of an election
1.8k awarded
Leave 10 comments
9.4k awarded
Leave 10 comments with score of 5 or more
158 awarded
Visit the site each day for 30 consecutive days. (Days are counted in UTC.)
1.6k awarded
Visit the site each day for 100 consecutive days. (Days are counted in UTC.)
513 awarded
Earn at least 200 reputation (the daily maximum) in a single day
652 awarded
Earn 200 daily reputation 50 times
10 awarded
Earn 200 daily reputation 150 times
5 awarded
Followed the Area 51 proposal for this site before it entered the commitment phase
68 awarded
Voted 10 times, added 3 posts score > 0, and visited the site on 3 separate days during the private beta
69 awarded
One post with score of 2 on meta
693 awarded
10 posts with score of 2 on meta
46 awarded
Post 10 messages, with 1 or more starred, in chat
126 awarded
Post 10 messages in chat starred by 10 different users
25 awarded
Active member for a year, earning at least 200 reputation
31.4k awarded

Tag Badges

You must have a total score of 100 in at least 20 non-community wiki answers to achieve this badge.
1.7k awarded
You must have a total score of 400 in at least 80 non-community wiki answers to achieve this badge.
281 awarded
You must have a total score of 1000 in at least 200 non-community wiki answers to achieve this badge.
76 awarded

Moderation Badges

First flagged post
3.8k awarded
Raise 80 helpful flags
125 awarded
Raise 500 helpful flags
25 awarded
Vote 300 or more times
663 awarded
First rollback
734 awarded
Served as a pro-tem moderator for at least 1 year or through site graduation
4 awarded
Served as an elected moderator for at least 1 year
5 awarded
First down vote
5.7k awarded
Complete at least one review task. This badge is awarded once per review type
7.4k awarded
Complete at least 250 review tasks. This badge is awarded once per review type
363 awarded
Complete at least 1,000 review tasks. This badge is awarded once per review type
162 awarded
Delete own post with score of 3 or higher
172 awarded
First edit
46.1k awarded
Edit 80 posts
195 awarded
Edit 500 posts (excluding own or deleted posts and tag edits)
43 awarded
Vote on 600 questions and 25% or more of total votes are on questions
163 awarded
Edit first post that was inactive for 6 months
3.7k awarded
Edit 100 posts that were inactive for 6 months
23 awarded
First retag
1.6k awarded
Delete own post with score of -3 or lower
781 awarded
Approve or reject 100 suggested edits
141 awarded
Up vote 100 answers on questions where an answer of yours has a positive score
50 awarded
Use 30 votes in a day
539 awarded
First up vote
97.2k awarded
First approved tag synonym
16 awarded
First tag wiki edit
420 awarded
Edit 50 tag wikis
4 awarded
Create a tag used by 50 questions
270 awarded
Use the maximum 40 votes in a day
384 awarded

Other Badges

Share a link to a post later visited by 25 unique IP addresses
2.8k awarded
Share a link to a post later visited by 300 unique IP addresses
321 awarded
Share a link to a post later visited by 1000 unique IP addresses
87 awarded
Completed the annual Stack Overflow survey; your responses are anonymous
136 awarded
Read the entire tour page
24.9k awarded

Retired Badges

Visited every section of the FAQ
555 awarded
Provide an answer of +20 score to a question of -5 score
2 awarded
Asked a question with zero score, no answers, no comments, and low views for a week
10.9k awarded