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
3 awarded
First bounty you manually award on your own question
22 awarded
Ask a good question on 5 separate days, and maintain a positive question record
66 awarded
Ask a good question on 30 separate days, and maintain a positive question record
Ask a good question on 100 separate days, and maintain a positive question record
Question favorited by 25 users
Question favorited by 100 users
First bounty you offer on another person's question
7 awarded
Question score of 10 or more
52 awarded
Question score of 25 or more
5 awarded
Question score of 100 or more
Question with 1,000 views
603 awarded
Question with 2,500 views
257 awarded
Question with 10,000 views
40 awarded
First bounty you offer on your own question
46 awarded
Ask a question and accept an answer
1.3k awarded
First question with score of 1 or more
2.2k awarded
Asked a question with zero score, no answers, no comments, and low views for a week
200 awarded

Answer Badges

First to answer and accepted with score of 10 or more
34 awarded
Edit and answer 1 question (both actions within 12 hours, answer score > 0)
21 awarded
Edit and answer 50 questions (both actions within 12 hours, answer score > 0)
Edit and answer 500 questions (both actions within 12 hours, answer score > 0)
Provide non-wiki answers of 15 total score in 20 of top 40 tags
Accepted answer and score of 40 or more
1 awarded
Answer score of 10 or more
96 awarded
Answer score of 25 or more
5 awarded
Answer score of 100 or more
Highest scoring answer that outscored an accepted answer with score of more than 10 by more than 2x
Provide an answer of +20 score to a question of -5 score
Answer more than 30 days after a question was asked as first answer scoring 2 or more
177 awarded
Answer a question more than 60 days later with score of 5 or more
27 awarded
Answer your own question with score of 3 or more
39 awarded
Answer a question with score of 1 or more
1.1k awarded
Zero score accepted answers: more than 5 and 20% of total
1 awarded
Zero score accepted answers: more than 10 and 25% of total

Participation Badges

Complete "About Me" section of user profile
3.4k awarded
Visit an election during any phase of an active election and have enough reputation to cast a vote
Vote for a candidate in the final phase of an election
Leave 10 comments
199 awarded
Leave 10 comments with score of 5 or more
Visit the site each day for 30 consecutive days. (Days are counted in UTC.)
66 awarded
Visit the site each day for 100 consecutive days. (Days are counted in UTC.)
19 awarded
Earn at least 200 reputation (the daily maximum) in a single day
4 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
54 awarded
Voted 10 times, added 3 posts score > 0, and visited the site on 3 separate days during the private beta
27 awarded
One post with score of 2 on meta
86 awarded
10 posts with score of 2 on meta
7 awarded
Post 10 messages, with 1 or more starred, in chat
7 awarded
Post 10 messages in chat starred by 10 different users
Active member for a year, earning at least 200 reputation
305 awarded

Tag Badges

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

Moderation Badges

First flagged post
141 awarded
Raise 80 helpful flags
Raise 500 helpful flags
Vote 300 or more times
11 awarded
First rollback
15 awarded
Served as a pro-tem moderator for at least 1 year or through site graduation
7 awarded
Served as an elected moderator for at least 1 year
First down vote
139 awarded
Complete at least one review task. This badge is awarded once per review type
215 awarded
Complete at least 250 review tasks. This badge is awarded once per review type
3 awarded
Complete at least 1,000 review tasks. This badge is awarded once per review type
Delete own post with score of 3 or higher
2 awarded
First edit
981 awarded
Edit 80 posts
5 awarded
Edit 500 posts (excluding own or deleted posts and tag edits)
Vote on 600 questions and 25% or more of total votes are on questions
4 awarded
Edit first post that was inactive for 6 months
48 awarded
Edit 100 posts that were inactive for 6 months
First retag
80 awarded
Delete own post with score of -3 or lower
2 awarded
Approve or reject 100 suggested edits
4 awarded
Up vote 100 answers on questions where an answer of yours has a positive score
1 awarded
Use 30 votes in a day
17 awarded
First up vote
2k awarded
First approved tag synonym
1 awarded
First tag wiki edit
37 awarded
Edit 50 tag wikis
Create a tag used by 50 questions
28 awarded
Use the maximum 40 votes in a day
11 awarded

Other Badges

Visited every section of the FAQ (retired)
67 awarded
Share a link to a question later visited by 25 unique IP addresses
9 awarded
Share a link to a question later visited by 300 unique IP addresses
1 awarded
Share a link to a question later visited by 1000 unique IP addresses
Read the entire tour page
262 awarded