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158 online tools , 1339796 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.

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.

CRC Calculation Online

The cyclic redundancy check calculation function of CRC8, CRC16, CRC32 and crc64 is provided to detect or verify possible errors after data transmission or saving. It uses the principle of division and remainder to detect errors. When calculating, pay attention to different algorithms (including polynomial, initial value, whether to reverse, etc.), and the calculation results will be different.

Stopwatch Online

Online stopwatch timer supports online stopwatch timing, millisecond time, pause, mark and download functions.

File Base64 Converter

Convert any format file to Base64 string.

Golang Regular Expression Test Online

Golang regular expression test online tool provides online matching and replacement of golang regular expressions. This tool supports golang regular expression matching, golang regular expression splitting strings, and golang regular expression replacing strings.

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.

RSA Key Generator Online

The online RSA asymmetric encryption public key and private key generation tool generates 1024,2048,4096 bit length private keys and public keys online. The generated results support the output of PEM format and HEX format.

ASCII Code Table

ASCII code table online, query ASCII code 0-255 corresponding characters, including control characters, printable characters and extended characters.

Docker Image Registry in China

Docker's list of image registry in China lists the image registry available in China that can be downloaded quickly, as well as an introduction to the use of the image registry.

HTML to JS Converter Online

HTML to JS converter online, providing the function of HTML source code to JS variable. It can be converted based on template string or ordinary string concatenating.

Text Length Filter Tool Online

Text length filter tool online , filtering the text with the length of each line within the specified range.

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Chinese Character Splitting Online

The Chinese character splitting tool online, which splits Chinese characters from left to right or from top to bottom.

Old Photo Repair Online

The online old photo repair tool uploads old photos, and performs multiple repairs and optimizations on image quality based on depth learning, including defogging, denoising, black and white coloring, super resolution lossless amplification, etc. Returns clear images after color enhancement and photo blur removal.

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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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PDF Text Recognition Online

The PDF text tecognition online tool supports the detection and recognition of text in PDF files. The tool has high recognition accuracy and stable service performance.

OCR Online

The online image text recognition tool supports the detection and recognition of characters in images, and supports the text recognition of multiple languages such as Chinese simplified/traditional, English, Japanese, Arabic, Russian, German, French, Spanish, and Hindi.

Make Gauge Chart Online

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

Make Funnel Chart Online

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

Text Extraction Tool Online

Online text extraction tool to extract email, IP address, domain name, number, character and other information from the input text.

Make Doughnut Chart Online

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

Make Nightingale Chart Online

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

Make Basic Scatter Chart Online

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

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.