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179 online tools , 2421318 times of use

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Morse Code Convert Online

Morse Code Convert Online supports encoding text (including Chinese) into Morse code and decoding Morse code into ordinary text. Text supports all unicdoe characters.

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.

Provident Fund Loan Calculator

Provident fund mortgage calculator, online calculation of provident fund housing loan monthly repayment amount, total interest, etc. Two calculation methods of equal principal and equal principal and interest are supported.

Chines to Pinyin

The online Chinese character to Pinyin tool converts Chinese characters into pinyin, and supports the functions of displaying tone, polyphone, uppercase Pinyin, lowercase Pinyin and so on.

SSL Certificate Generator

Online free SSL certificate generator, online generation of SSL domain name certificate and IP certificate for learning and testing. You can use the generated certificate to publish HTTPS sites.

JSON5 Beautify / Validator Online

The JSON5 Beautify / Validator Online tool provides online json5 format verification, json5 format, json5 data compression and json5 data beautification functions.

String Unicode Converter Online

The string unicode converter tool online supports the mutual conversion of string and unicode code point. The conversion supports setting whether to keep ASCII characters and processing multi byte unicode code point.

Make Basic Bar Chart Online

Make bar charts online for free. Make bar chart online, support filling in data online or uploading excel files, and support exporting the generated bar chart to JPG, PNG and PDF files.

Alarm Clock Online

Set the alarm clock online and set the alarm time. When the time arrives, the alarm will ring.

RC6 Encryption and Decryption Online

The online RC6 encryption and decryption tool provides online RC6 encryption and decryption test. The encryption and decryption supports five encryption modes: CBC, CFB, OFB, CTR and ECB, and the input and output supports three formats: hex, string and base64.

Latest Online

Generate JSON Schema Online

Online JSON data generation JSON Schema tool, input JSON data or open JSON data file, and generate the corresponding JSON Schema from the data. This tool supports JSON Schema Draft-07, Draft-06, and Draft-04 specifications.

Random JSON Data Generator Online

Use the format defined by JSON Schema to randomly generate JSON data.

JSON Schema Validate Online

Online JSON Schema verification tool, input JSON data and JSON Schema format, and verify whether JSON data conforms to the format defined by Schema.

JSON Viewer Online

JSON viewer online, online JSON data viewing.

Text Reverse Tool Online

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

Punycode Encoder and Decoder Online

The online Puyncode encoding and decoding tool converts the international domain name to Punycode encoding in DNS to solve the problem that the DNS system only supports English domain name resolution.

JSON Format Parsing and Verification Tool Online

The online JSON format parsing and verification tool supports JSON format validation, JSON data parsing and JSON data compression functions.

China's Holiday Schedule

Online China holiday arrangement query, query the holiday arrangement plan and compensatory leave plan of each festival over the years.

Image Mirror Flip Online

Online image flipping tool, which supports flipping images from left to right, up and down.

String Encode and Decode

The online text encryption and decryption tool supports the encoding and decoding of text to base64, hex, urlencode, html entities, and MD5.

Image Rotate Online

The online image rotation tool supports clockwise or counterclockwise rotation of images, and supports jpg, jpeg, png, webp, bmp and other formats of images.

Convert Text To Image Online

The online text generation image tool supports the generation of images from single or multiple lines of text, supports the customization of foreground color, background color, text size and other parameters, and supports jpg, jpeg, png, webp and other formats of images.