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NaN
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College Entrance Examination Countdown Query
Holiday Encyclopedia
Base64 encoding/decoding
IP Query Tool, Query Local IP, Query IP Tool, IP Address Attribution
Calculate conversions
Computer keyboard testing tool
Birth of a boy and a girl in the palace map
JSON/YAML conversion tool
Report of resignation
Comparison of national language codes
Interest-bearing Treasury Yield Calculator
Avatar pendant generator
Gzip encoding/decoding
University Search
The comprehensive tool of WPS commonly used shortcut keys allows you to quickly master the operation skills of WPS and improve work efficiency.
Copyright © 2025 Super Fun (cdqu.com)
Today in history
Emoji packs
BMR basal metabolic rate
Super Fun (cdqu.com) - A lot of interesting tools & knowledge query charging stations
Antique name generator
Beijing Standard Time
Drink water calculator
Mobile number extraction tool
JSON/GET request string swapping
Leap year leap month query
SM2 encryption/decryption
Traditional Chinese colors
Check the national flags of various countries online
Vertical typesetting of text antique text
SM4 encryption/decryption
Baby eye color prediction
BMI standard height and weight calculation
IP Address Attribution Lookup Tool - Query Local IP, Query IP Tool - Super Fun - Super Interesting Tools!
URL encoding tool
Browser information viewing
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4. This tool can query the attribution of the IP address, and the query results are for reference only and shall not be used for commercial purposes.
Abbreviation of Chinese provinces
A gadget for calculating the area of an ellipse online
JSON compression/formatting
A list of frequently used phones
Check the 24 solar terms of any year online
Reaction speed test
Help you quickly generate Xiaohongshu note titles
Online Base64 and 16 base conversion widget

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Super Fun (cdqu.com) is a free online tool and knowledge query platform. We are committed to providing users with efficient and practical tools and knowledge resources to help you continue to "recharge" and make continuous progress in your study, work and life, and hope to provide you with strong support through the combination of tools and knowledge to help you easily cope with various challenges!
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