Popular Recommendation
Random Number Generator Online
The online random number generator supports the generation of random integer values and random floating-point values. When unique is specified, all generated random numbers are not repeated.
Stopwatch Online
Online stopwatch timer supports online stopwatch timing, millisecond time, pause, mark and download functions.
Countdown Timer Online
Countdown timer online supports online countdown. After the countdown, you can set the sound of playing alarm.
Unit Converter Online
Unit converter online supports the conversion of multiple units such as length, weight, area, volume data.
Base64 to Image Converter Online
Online Base64 to image converter, supporting Base64 string to image or Base64 string (in Data URLs format) to image convert.
Make Word Cloud Chart Online
Make word cloud charts online for free. Make word cloud chart online, support filling in data online or uploading excel files, and support exporting the generated word cloud chart to JPG, PNG and PDF files.
Random Time Generator Online
Online random time generator, which supports online generation of random time, increasing time and decreasing time. You can specify the time format of the generated results, the generated quantity, and whether duplicates are allowed.
Text Character Set Encoding Query
Online text character set encoding query, input text data, and view the encoding of text in different character sets. Enter the text encoding to view the decoded text from different character sets.
Chinese Character Unicode Code Point Range
Online Chinese character Unicode code point range query tool, query the Unicode code point range of Chinese characters, and view all Chinese characters within the code point range.
Make Basic Sunburst Chart Online
Make sunburst charts online for free. Make sunburst chart online, support filling in data online or uploading excel files, and support exporting the generated sunburst chart to JPG, PNG and PDF files.
Blood Type Genetics Table
Blood type genetics table, online query the blood types of children corresponding to the parents' blood types.
KMAC Calculate and Verify Online
Online KMAC (KECCAK Message Authentication Code) calculation and verification tool, supporting online calculation and verification of KMAC. Support input data and keys, select KMAC-128 or KMAC-256 algorithm, set output bit length and other parameters.
Latest Online
Geohash Encode Decode Online
Online Geohash encoding and decoding tool, supports Geohash encoding and decoding of latitude and longitude positions, supports querying all coordinate points within a specified radius of the center point, and supports querying the closest coordinate point to the center point.
BaseN Encode and Decode Online
Online BaseN encoding and decoding tool, supporting BaseN encoding and decoding of data such as string, hex, base64, files, etc., supporting algorithms such as base2, base8, base16, base32, base64, base58, base85, base91, base100, etc. This tool also supports custom algorithms.
MessagePack and JSON Converter Online
Online Message Pack and JSON conversion tool, supporting the conversion between binary data in Message Pack format and data in JSON text format. Message Pack data supports input formats such as hex, base64, byte arrays, etc.
Fetal Weight Calculator Online
Online fetal weight calculator predicts and calculates fetal weight based on parameters such as uterine height, abdominal circumference, biparietal diameter, and femur length. Support viewing the distribution of fetal weight, biparietal diameter, abdominal circumference, femur length, and other parameters at different weeks.
ABC Music Notation Editor Online
Online ABC score editor, using ABC notation method to edit scores, supports real-time preview of generated staff, and supports downloading as MIDI and WAV files.
Nano ID Generator Online
Online Nano ID generator, supports batch generation of Nano IDs, supports custom alphabet, and custom Nano ID length.
Mermaid Chart Editor Online
Online Mermaid Chart Editor, supports real-time input and preview of text generated charts in Mermaid syntax format, and supports downloading charts in SVG, PNG, JPEG, and WebP formats.
NMEA-0183 Protocol Analysis Online
Online NMEA-0183 protocol parsing tool, supports parsing dozens of messages including NMEA-0183 DTM, GBS, GGA, GLL, GNS, GRS, GSA, GST, GSV, THS, RMC, ROT, VTG, ZDA, etc., and supports NMEA-0183 checksum generation.
SM2 Signature and Verification Online
Online SM2 signature and verification tool, supporting signature generation and verification functions for SM2 algorithms.
SM2 Encryption and Decryption Online
Online SM2 encryption and decryption tool, supporting public key encryption and private key decryption of the SM2 algorithm. Supports input of public and private keys in PEM and HEX formats, and supports input data and output results in string, hex, and base64 formats.
String Escape Online
Online string escaping tool, supporting escaping rules for languages such as JSON, Java, JavaScript, XML, HTML, CSV, etc., and supporting custom rule string escaping. This tool also supports unescape of strings.
SM4 Encryption and Decryption Online
The online SM4 encryption and decryption tool provides online SM4 encryption and decryption test. The encryption and decryption supports six modes: CBC, CFB, OFB, CTR, GCM and ECB, and the input and output supports three formats: hex, string and Base64.
