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408 online tools , 95847951 times of use

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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.

QR Code Scanner Online

QR Code Scanner Online (QR code decoder) support online scanning of QR code pictures, opening QR code https address or taking photos with camera to obtain QR code and decode the information contained in QR code.

NTRIP Source-Table Parser and Generator Online

Online NTRIP Source Table parsing and generation tool, online parsing of ntrip source table, online generation of ntrip source table. Support STR, CAS, NET type source table.

Text Reverse Tool Online

The online text reverse tool provides word by word reversing, or line by line reversing.

Intelligent Image Matting Online

The online intelligent image matting tool supports online one click matting of portraits or main objects in the picture, and supports setting the background of objects.

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CSS Color Converter

The online CSS color convert tool supports color conversion between rgb, hex, hsl, hsv, hwb and other formats.

Password Strength Detection Online

Online password strength testing tool, which checks the strength of the input password online. When the input password strength is weak, it provides suggestions to increase the password strength.

Convert Chinese Uppercase Numbers to Arabic Numerals Online

Online tool for converting Chinese uppercase numbers to Arabic numerals, supporting the conversion of Chinese numerals (一, 二, 三, etc.) and Chinese uppercase numbers (壹, 贰, 叁, etc.) to Arabic numerals (123). The conversion results can be copied and downloaded.

GIF Splitter Online

Online GIF splitting tool, open the GIF image, split each frame of the GIF image into images, and support the generation of images in jpeg, png, gif and webp formats. Split images support both single and batch downloads.

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Protocol Buffers Encode and Decode Online

Online Protocol Buffer Encoding and Decoding Tool, supporting online decoding of protocol buffer data and online encoding of protocol buffer data. Supports opening multiple proto definition files and decoding and encoding multiple messages.

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.