Hi·Tools

Free Online Tools Collection

Over 100 practical tools to meet your daily needs, no download required, use anytime, anywhere

Italic Text Generator - Free Online Tool Upside Down Text - Free Online Tool JavaScript Obfuscation Tool - Online Toolbox Online Binary to Decimal Calculator

Hot Tools

Underline Font Generator - Free Online Conversion Tool

Our underline text generator is a powerful tool that converts regular text to underlined text using Unicode combining characters.

1 uses
Use Now

QR Code Generator - Generate QR Codes Online

Online QR Code Generator Tool - a highly efficient QR code creation platform. It can convert content such as text, website links, and contact information into QR codes with one click.

1 uses
Use Now

Free Character Counter - One-Click Count of Text Characters and Word Count

Free Character Counter: Paste text to count characters, words, and paragraphs with one click, display detailed statistics, covering social media posting, document editing needs, simple and efficient operation.

1 uses
Use Now

Texto More Tools →

Underline Font Generator - Free Online Conversion Tool

Our underline text generator is a powerful tool that converts regular text to underlined text using Unicode combining characters.

Free Character Counter - One-Click Count of Text Characters and Word Count

Free Character Counter: Paste text to count characters, words, and paragraphs with one click, display detailed statistics, covering social media posting, document editing needs, simple and efficient operation.

Special Character Generator - Online Text Tool

Special Character Generator Online Text Tool: Generate symbols, emojis, decorative characters, special symbols, etc. with one click, covering copywriting design, social media posting, document formatting needs, no installation required, easily enhance text expressiveness.

ASCII Art Generator - Free Online Text Art Tool

This is an artistic font generation tool based on ASCII characters, mainly used to generate character art, terminal banners, and other visual effects. This tool only supports the generation of English characters and numbers; some fonts only support the generation of English letters.

Text Reversal - Free Online Tool

Online text flipping tool that offers sentence-by-sentence front-back reversal or line-by-line top-bottom reversal of text. Character-by-character reversal: reverses each line of input text from front to back. Line-by-line reversal: reverses all lines of input content from top to bottom.

Remove Empty Lines - Free Online Text Processing Tool

Free online tool to remove empty lines: Scan and delete extra empty lines and blank paragraphs in text with one click, quickly optimize document, code, and copy formatting, no download or installation required, efficiently process text content.

Free Paragraph Counter - One-Click Count of Paragraphs in Documents & Copy

Free Paragraph Counter: Quickly count the number of paragraphs in documents, articles, and reports, with real-time display of word count distribution per paragraph. Easy to use with zero threshold, covering paragraph counting needs for writing, office, and academic scenarios.

Word Frequency Analysis Counter - Online Text Keyword Occurrence Statistics

Free Word Frequency Analysis Counter: Quickly analyze keyword frequency and proportion in text, export frequency reports, covering public opinion analysis, academic writing, content summarization needs, simple and efficient to operate.

LinkedIn Text Formatting Tool - Online Toolbox

Free LinkedIn Text Formatting Tool: One-click generation of bold, italic, and list formats that comply with platform specifications, making resume highlights stand out and posts well-structured, helping to enhance workplace communication efficiency.

Emoji Generator - Free Online Tool

Emoji Generator Free Online Tool: One-click generation of personalized emojis and emoticons, supports custom styles, colors and elements, covering social chat, copywriting design, poster production needs, easy to use without download.

Comércio Exterior More Tools →

Shelf Life Calculator | Shelf Life Check | Product Expiry Calculation

Enter the production date and shelf life to quickly calculate the shelf life of products such as food, medicine, cosmetics, determine if they are expired and the remaining days. Suitable for daily home management, supermarket inventory checking, drug usage monitoring and other scenarios, supporting three units: days, months, years.

Hexadecimal to Octal - Online Toolbox

The hexadecimal to octal converter is a very useful online base conversion tool that can quickly convert hexadecimal numbers to octal numbers. It supports the conversion of negative or decimal hexadecimal numbers and also includes the conversion calculation process from hexadecimal to octal.

Decimal to Octal Calculator | Online Decimal-Octal Mutual Conversion Tool

Free online decimal to octal calculator, supports mutual conversion between decimal and octal, easy to use and accurate in calculation.

Days Calculator_Online Days Calculator_Days Countdown_Days Date Query

Description of Interval Days Calculator: Days Calculator is an online tool used to accurately calculate the number of days between two dates. With this tool, you can quickly get the date difference, the number of weekend days and working days between two dates

Octal to Hexadecimal - Online Toolbox

Octal to Hexadecimal converter is a very useful online base conversion tool that can quickly convert octal numbers to hexadecimal numbers. It supports the conversion of negative or decimal octal numbers and also includes the conversion calculation process from octal to hexadecimal.

Hex to Decimal - Online Toolbox

The method to convert a decimal number to a hexadecimal number is: for the integer part of the decimal number, 'divide by 16 and take the remainder'; for the fractional part of the decimal number, 'multiply by 16 and take the integer part', and perform the conversion.

Binary to Octal - Online Conversion Tool

Easily convert numbers between Binary, Octal, Decimal, Hexadecimal, and Base64. Suitable for programmers, students, and anyone using different number systems.

Discount Calculator - Calculate Savings and Discounts

Calculator Online Discount Calculator helps you calculate discounts, promotional prices, and savings. Free Calculator Online shopping and price calculation tool.

Octal to Binary - Online Toolbox

Free online base conversion tool that supports mutual conversion between multiple bases such as binary, octal, decimal, and hexadecimal. Provides detailed conversion step explanations, an essential mathematical calculation tool for programmers and students.

Binary to Hexadecimal | Online Conversion Tool

Convert binary numbers to hexadecimal online, supports conversion of negative or decimal binary numbers, with conversion calculation process. Also provides other base converters and base conversion tables for easy query and learning.

Mídia More Tools →

DNS Lookup Tool - Online DNS Record Query

Free online DNS lookup tool that supports querying DNS record types such as A, AAAA, CNAME, MX, NS, TXT, etc.

WhatsApp Link Generator - Online WhatsApp Link Tool

Free online WhatsApp link generator to quickly create shareable WhatsApp links. Simply paste the number and compose a message, and a shareable link will be generated in seconds.

YouTube Tag Generator: Generate Trending #Tags with AI to Boost Views

Use our YouTube Tag Generator to quickly get the best tags for YouTube SEO. AI intelligently recommends highly relevant keywords to increase visibility and clicks, permanently free.

Screen Recording - Free Online Screen Recorder for Windows and Mac

The best screen recording tool for Windows and Mac. No download required, with local storage and MP4 export features. Simply record the screen. Our professional online screen recording tool is designed for users in need of reliable screen recording solutions.

Audio Cutter Tool - Free Online Audio Editing and Format Conversion

Free online audio cutter tool that supports formats like MP3/WAV/FLAC/M4A, processes locally in the browser for privacy and security. Can precisely cut and export losslessly, usable on both computers and mobile phones.

Time Zone Converter - World Clock and Time Zone Translator

Free online time zone conversion tool that supports time conversion between different time zones, meeting scheduling, and world clock viewing.

File Renaming Tool - Batch File Renaming

Free online file renaming tool that supports batch uploading and renaming of files, with customizable naming rules, simple and easy to use.

PDF Merge Tool - Online PDF File Merger

Free online PDF merge tool, supports merging multiple PDF files into one PDF document, allows customizing file order, simple and easy to use.

Temperature Conversion Tool - Multi-Temperature Unit Conversion

Free online temperature conversion tool that supports conversion between Celsius, Fahrenheit, Kelvin, and Rankine temperature units.

PDF Splitter Tool - Online PDF Processing

Free online PDF splitter tool that supports splitting PDF files by page number, allows custom splitting range, and download the split PDF files.

Programação More Tools →

Online Regex Tester

Regex matching tools are usually used to search for and replace text that matches a certain pattern (rule). This website mainly allows programmers to test regular expressions online, save correct matches, and view them at any time.

XML Formatter Tool - Free Online XML Code Beautifier and Compressor

Free online XML formatter tool that supports XML code beautification, compression, validation, and other functions, making your XML code more standardized and readable. Provides real-time formatting preview and supports multiple XML formatting options.

XML to JSON - Free Online Conversion Tool

XML to JSON tool can parse and convert XML format strings and JSON format strings, and format the converted strings.

JWT Decoder - Free Online JSON Web Token Parsing Tool

Free Online JWT Decoder Tool. It is used to decode, analyze, and verify JSON Web Tokens, providing detailed information on the header, payload, and signature.

CSS Compression Tool - Free Online CSS Code Compression and Optimization

Free online CSS compression tool. Quickly compress CSS code, reduce file size, improve website loading speed, and support custom compression options.

Social Media Share Link Generator - Free Online Tool

Easily create shareable links for Facebook, Twitter, WhatsApp, LinkedIn, Telegram, TikTok, Instagram, and Email. Simply paste the URL and enter text to create shareable links in seconds.

Online JavaScript Formatter and Minifier - Beautify, Optimize, and Obfuscate JS Code

A powerful online JavaScript (JS) formatting and code minification tool. Supports custom indentation (tabs or spaces), code folding/expanding, word wrap, one-click beautification, and efficient compression/obfuscation of JS scripts—helping developers improve code readability, reduce file size, and optimize website performance.

YAML to JSON Converter - Free Online Toolbox

Online YAML (YML) and JSON format conversion tool that supports mutual conversion between YAML data and JSON data, and also supports validating whether the input YAML format data and JSON format data are correct.

Free SVG Icon Creation Tool - Online SVG Icon Generation and Color Adjustment

Free Online SVG Icon Creation Tool. It supports selecting icons, adjusting colors, and downloading SVG files, making it convenient for developers and designers to use.

GraphQL Formatting Tool - Online GraphQL Query and Schema Formatting Validation

Free Online GraphQL Formatting Tool. It supports formatting and syntax validation of GraphQL queries, mutations, subscriptions, and schemas, helping developers improve the quality of GraphQL code.

Imagem More Tools →

QR Code Generator - Generate QR Codes Online

Online QR Code Generator Tool - a highly efficient QR code creation platform. It can convert content such as text, website links, and contact information into QR codes with one click.

GIF Splitter Tool - Convert GIF Files into Multiple Frame Images

Free online GIF splitter tool to convert GIF animation files into multiple frame images, supports downloading all frames, runs completely offline, 100% data secure.

Image to PDF Tool - Online Image to PDF Converter

Free online image to PDF tool, supports converting JPG, PNG, GIF and other format images to PDF files, with batch processing and download capabilities.

Barcode Generator Tool - Free Online Barcode Generator

Free online barcode generator tool that supports multiple barcode types, allows customization of various parameters, and can be used offline after one-time loading.

Image OCR Text Recognition Tool - Online Image Text Extraction

Free online image OCR text recognition tool, supports text extraction from images in JPG, PNG and other formats, and can recognize multiple languages such as Chinese and English.

Online Image Editor - Free Online Photo Editing

Free online image editor that supports image editing features such as cropping, rotating, filters, text addition, doodling, etc., no need to upload images to the server.

Image to Favicon Tool - Online Website Icon Generator

Free online image to Favicon tool, supports converting JPG, PNG, GIF and other format images to ICO format favicon icons, with customizable size and format.

Image to Base64 Tool - Online Image Encoding

Free online Image to Base64 tool, supports uploading images and converting to Base64 encoded strings, with options to copy or download results.

Image Size Adjustment Tool - Online Batch Image Resizing

Free online image size adjustment tool that supports batch uploading multiple images and adjusting sizes, with customizable parameters such as width, height, and scaling ratio.

Image Format Converter - Online Image Conversion Tool

Free online image format conversion tool that supports mutual conversion between formats such as JPG, PNG, GIF, WEBP, BMP, and allows batch processing and downloading of converted images.