Hi·Tools

Free Online Tools Collection

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

ASCII Art Generator - Free Online Text Art Tool Time Zone Converter - World Clock and Time Zone Translator GIF Splitter Tool - Convert GIF Files into Multiple Frame Images Binary to Octal - Online Conversion Tool

Hot Tools

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.

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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.

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Special Character Query Platform - Look up Unicode Characters, Symbol Properties and Uses

Special Character Query Tool: Quickly query Unicode characters, emojis, symbol meanings and codes, supports copying for use, covers copywriting design, social chat scenarios, no registration required, efficiently search for various special symbols.

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Image More Tools →

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.

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.

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.

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 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 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 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.

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 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.

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.

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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.

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.

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.

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.

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.

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.

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.

YouTube Tag Generator - Free Online Tool

YouTube Tag Generator Use our intelligent AI tool to generate SEO-optimized and relevant tags for your YouTube videos.

Temperature Conversion Tool - Multi-Temperature Unit Conversion

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

Programming More Tools →

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.

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.

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.

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.

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.

Hex Converter - Hex Encoding and Decoding Tool for Text and Files

Online Hex Encoding and Decoding Tool. It supports converting text, binary data, decimal numbers, or files to hex format, or converting hex format back to original text or files.

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.

Online URL Extractor

Online URL Extractor, used to extract all link URLs from documents or text content, and can also be used to extract all URLs from web page HTML.

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.

File Base32 Encryption and Decryption Tool - Online File Encoding and Decoding

Free Online File Base32 Encryption and Decryption Tool. It supports uploading files for Base32 encoding and decoding operations, and allows downloading the processed files.

Trade 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.

YouTube Earnings Calculator: Estimate How Much You Can Earn

Calculate YouTube channel earnings. This calculator estimates the total revenue earned by a YouTube channel. Enter a valid channel URL to find out how much revenue the channel has earned from YouTube.

PayPal Fee Calculation - PayPal Fee Calculator

PayPal Fee Calculator provides PayPal payment transfer fee calculation for cross-border e-commerce sellers. It is easy to use and helps cross-border e-commerce sellers quickly calculate PayPal payment and collection fees, improving operational efficiency.

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.

TikTok Earnings Calculator

TikTok Money Calculator is a tool that provides potential income estimation calculations for TikTok users. By analyzing factors such as follower count and engagement rate, this calculator can give a rough idea of how much income TikTok users might earn through brand collaborations.

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.

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

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.

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.

Text More Tools →

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.

Special Character Query Platform - Look up Unicode Characters, Symbol Properties and Uses

Special Character Query Tool: Quickly query Unicode characters, emojis, symbol meanings and codes, supports copying for use, covers copywriting design, social chat scenarios, no registration required, efficiently search for various special symbols.

Bold Text Generator - Free Online Conversion Tool

Bold Text Generator - Instantly Convert Your Text Free online bold text generator tool to create bold text for social media, Facebook, Instagram, Twitter, Discord, and WhatsApp.

Bubble Text Generator - Free Online Tool

Free bubble text generator, instantly create cute bubble text! Perfect for Instagram bios, TikTok captions, and creative designs. Customize fun bubble fonts, copy and paste with one click.

Glitch Text Generator - Free Online Tool

This tool can be used to generate glitch text, i.e., Glitch Text. You can choose to generate glitch effects at the top, middle, or bottom of the text, and use the slider to adjust the complexity of the glitch text to meet your different needs.

Text Encryption and Decryption Tool - Free Online Encryption and Decryption Service

Provides various common text encryption and decryption functions, including encryption algorithms such as Base64, URL encoding, HTML entity encoding, JavaScript Escape, ROT13, MD5, SHA-1, SHA-256, etc.

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.

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.

Free Sentence Counter | One-Click Calculation of Text Sentence Count and Sentence Length

Sentence counting: paste English text online, accurately count the number of sentences and individual sentence length with one click. Supports sentence counting for papers, reports, and copywriting. Results are displayed in real-time, free to use without download.

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.