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
87 awarded
First bounty you manually award on your own question
417 awarded
Ask a well-received question on 5 separate days, and maintain a positive question record
3.2k awarded
Ask a well-received question on 30 separate days, and maintain a positive question record
185 awarded
Ask a well-received question on 100 separate days, and maintain a positive question record
17 awarded
Question favorited by 25 users
111 awarded
Question favorited by 100 users
7 awarded
First bounty you offer on another person's question
155 awarded
Question score of 10 or more
3.3k awarded
Question score of 25 or more
466 awarded
Question score of 100 or more
14 awarded
Question with 1,000 views
29.4k awarded
Question with 2,500 views
12.8k awarded
Question with 10,000 views
2.6k awarded
First bounty you offer on your own question
800 awarded
Ask a question and accept an answer
17.3k awarded
First question with score of 1 or more
41k awarded

Answer Badges

First to answer and accepted with score of 10 or more
1.7k awarded
Edit and answer 1 question (both actions within 12 hours, answer score > 0)
527 awarded
Edit and answer 50 questions (both actions within 12 hours, answer score > 0)
25 awarded
Edit and answer 500 questions (both actions within 12 hours, answer score > 0)
1 awarded
Provide non-wiki answers of 15 total score in 20 of top 40 tags
40 awarded
Accepted answer and score of 40 or more
119 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
15 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
2 awarded
Answer score of 10 or more
4.6k awarded
Answer score of 25 or more
629 awarded
Answer score of 100 or more
19 awarded
Highest scoring answer that outscored an accepted answer with score of more than 10 by more than 2x
13 awarded
Answer more than 30 days after a question was asked as first answer scoring 2 or more
3.9k awarded
Answer a question more than 60 days later with score of 5 or more
1.9k awarded
Answer your own question with score of 3 or more
1.6k awarded
Answer a question with score of 1 or more
15.8k awarded
Zero score accepted answers: more than 5 and 20% of total
55 awarded
Zero score accepted answers: more than 10 and 25% of total
16 awarded

Participation Badges

Complete "About Me" section of user profile
24.3k awarded
Visit an election during any phase of an active election and have enough reputation to cast a vote
1.8k awarded
Vote for a candidate in the final phase of an election
1.1k awarded
Leave 10 comments
5.3k awarded
Leave 10 comments with score of 5 or more
34 awarded
Visit the site each day for 30 consecutive days. (Days are counted in UTC.)
714 awarded
Visit the site each day for 100 consecutive days. (Days are counted in UTC.)
211 awarded
Earn at least 200 reputation (the daily maximum) in a single day
96 awarded
Earn 200 daily reputation 50 times
Earn 200 daily reputation 150 times
Followed the Area 51 proposal for this site before it entered the commitment phase
92 awarded
Voted 10 times, added 3 posts score > 0, and visited the site on 3 separate days during the private beta
49 awarded
One post with score of 2 on meta
412 awarded
10 posts with score of 2 on meta
33 awarded
Post 10 messages, with 1 or more starred, in chat
52 awarded
Post 10 messages in chat starred by 10 different users
4 awarded
Active member for a year, earning at least 200 reputation
12.1k awarded

Tag Badges

You must have a total score of 100 in at least 20 non-community wiki answers to achieve this badge.
864 awarded
You must have a total score of 400 in at least 80 non-community wiki answers to achieve this badge.
117 awarded
You must have a total score of 1000 in at least 200 non-community wiki answers to achieve this badge.
26 awarded

Moderation Badges

First flagged post
1.3k awarded
Raise 80 helpful flags
68 awarded
Raise 500 helpful flags
9 awarded
Vote 300 or more times
321 awarded
First rollback
322 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
9 awarded
First down vote
2k awarded
Complete at least one review task. This badge is awarded once per review type
3.8k awarded
Complete at least 250 review tasks. This badge is awarded once per review type
237 awarded
Complete at least 1,000 review tasks. This badge is awarded once per review type
63 awarded
Delete own post with score of 3 or higher
125 awarded
First edit
23.3k awarded
Edit 80 posts
121 awarded
Edit 500 posts (excluding own or deleted posts and tag edits)
26 awarded
Vote on 600 questions and 25% or more of total votes are on questions
114 awarded
Edit first post that was inactive for 6 months
1.2k awarded
Edit 100 posts that were inactive for 6 months
22 awarded
First retag
961 awarded
Delete own post with score of -3 or lower
247 awarded
Approve or reject 100 suggested edits
93 awarded
Up vote 100 answers on questions where an answer of yours has a positive score
28 awarded
Use 30 votes in a day
342 awarded
First up vote
21.8k awarded
First approved tag synonym
25 awarded
First tag wiki edit
271 awarded
Edit 50 tag wikis
11 awarded
Create a tag used by 50 questions
267 awarded
Use the maximum 40 votes in a day
262 awarded

Other Badges

Share a link to a post later visited by 25 unique IP addresses
842 awarded
Share a link to a post later visited by 300 unique IP addresses
48 awarded
Share a link to a post later visited by 1000 unique IP addresses
9 awarded
Completed the annual Stack Overflow survey; your responses are anonymous
64 awarded
Read the entire tour page
17.3k awarded

Retired Badges

Visited every section of the FAQ
305 awarded
Provide an answer of +20 score to a question of -5 score
Asked a question with zero score, no answers, no comments, and low views for a week
6.8k awarded