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URL navigation
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Base64/file conversion
College Entrance Examination Countdown Query
Holiday Encyclopedia
Online conversion tool for area units
Base64 encoding/decoding
IP Query Tool, Query Local IP, Query IP Tool, IP Address Attribution
Calculate conversions
Computer keyboard testing tool
Name the artifact
Poetry Writing
It's so much fun!
Birth of a boy and a girl in the palace map
JSON/YAML conversion tool
Comparison of national language codes
Avatar pendant generator
Gzip encoding/decoding
University Search
Copyright © 2025 Super Fun (cdqu.com)
Today in history
Emoji packs
Quickly generate regular expressions that match text in a specific pattern.
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Super Fun (cdqu.com) - A lot of interesting tools & knowledge query charging stations
Antique name generator
Beijing Standard Time
Treasury Yield Calculator
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JSON/GET request string swapping
Leap year leap month query
Help you come up with a nice and poetic name.
SM2 encryption/decryption
Traditional Chinese colors
Check the national flags of various countries online
SM4 encryption/decryption
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