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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.
Countdown Timer Online
Countdown timer online supports online countdown. After the countdown, you can set the sound of playing alarm.
Stopwatch Online
Online stopwatch timer supports online stopwatch timing, millisecond time, pause, mark and download functions.
Unit Converter Online
Unit converter online supports the conversion of multiple units such as length, weight, area, volume data.
Proportional Calculator Online
Online proportional calculator, input any three numerical values to calculate the fourth value with equal proportions. The calculation results support one click replication.
Personal Seal Generator Online
Online personal seal generator, supporting the online generation of personal seals with two, three, and four character names. It supports setting different fonts and multiple generation parameters, and the generated personal seals can be downloaded locally.
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.
Online Foreigner Permanent Residence ID Card Number Generator
The online tool for generating permanent residence ID card numbers in China for foreigners can generate 18 new versions of permanent residence ID card numbers online. It supports user-defined countries, accepting provinces, birth dates and other parameters. The generated results can be downloaded locally.
Random Test Data Generator Online
Online random test data generation tool, input string templates, use fakerjs and custom functions to generate random data. The randomly generated data supports multiple formats such as string, JSON, CSV, and the generated results can be downloaded locally.
Generate Cartoon Avatars Online
Online cartoon avatar generation tool, supporting random generation of cartoon avatars, supporting the generation of cartoon avatars with specified parameters such as accessories, hair, clothing, facial expressions, eyebrows, mouth, skin color, etc. The generated cartoon supports downloading as png and svg files.
Text Length Filter Tool Online
Text length filter tool online , filtering the text with the length of each line within the specified range.
PDF Editor Online
Online PDF editing tool that supports editing PDF page order, deleting PDF pages, and rotating PDF pages. The edited PDF file supports downloading to the local location.
Latest Online
Subtitle Format Converter Online
Online subtitle format conversion, support subtitle format lrc,srt,vtt,sbv,ass,ssa,sub,scc,stl,ttml,itt conversion, support batch conversion. Support to set character set encoding and other parameters for subtitle format conversion.
Calculator Online
Online calculator. Enter a mathematical calculation expression and calculate the result of the expression. It supports various functions such as arithmetic functions, trigonometric functions, matrix functions, probability functions, relational functions, and statistical functions. It also supports the calculation of high precision floating - point numbers, large integers, complex numbers, and matrices.
Modify Image DPI Online
Online modify image DPI tool, support single or batch modify image DPI (dots per inch), support modify jpg, jpeg, png, bmp, webp format images.
OTP Code Generator Online
Online OTP Password Generator, supports generating TOTP(Time-Based One-Time Password) and HOTP(HMAC-based One-time Password) passwords. The generated TOTP passwords can be imported into Google Authenticator and Microsoft Authenticator.
Data Masking Online
Online data masking tool that supports opening txt, csv, json, and excel data to perform hash masking, mask masking, replacement masking, transformation masking, encryption masking, and shuffling masking on sensitive data. The desensitized data can be downloaded locally.
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.
BCrypt Derive Key and Verify Online
Online BCrypt derived key and verification tool, using the bcrypt Password Based Key Derivation Function to derive keys based on passwords and random salt, supporting custom cost and other parameters. Support online verification of BCrypt derived keys.
SCrypt Derive Key and Verify Online
Online SCrypt derived key and verification tool, using scrypt Password Based Key Derivation Function to derive keys based on password and random salt, supporting custom block size, CPU/memory cost, parallelization, derived key length and other parameters. Support online verification of SCrypt derived keys.
Chinese Idiom Fill Online
Online chinese idiom fill in the blank tool, fill in the text of chinese idioms at any position, and search for chinese idioms. Support filling in one or more words.
HKDF Derive Key and Verify Online
Online HKDF derived key and verification tool, using the HMAC-based Extract-and-Expand Key Derivation Function algorithm, derives keys based on the input key and random salt, supports custom hash functions, derived key length, carried information and other parameters. Support online verification of HKDF derived keys.
PBKDF2 Derive Key and Verify Online
Online PBKDF2 derived key and verification tool, using Password Based Key Derivation Function 2 to export keys based on passwords and random salt, supporting custom hash functions, derived key length, iteration times and other parameters. Support online verification of PBKDF2 derived keys.
Keyboard Event Information Online
Online keyboard key information tool, displaying key, code, keycode, location, modifiers and other key information of keyboard key events in web pages, and providing a key information query comparison table.
