EasyWebTool Services List
Quickly find commonly used online services. Free, no installation, and ready to use.
Development Debugging
Back to TopJSON Formatter
Online JSON formatter, validator, and minifier with tree view expand/collapse, copy, and export.
Regex Tester
Test regular expressions online with match highlighting, result lists, and quick syntax hints.
XML to JSON Converter
Supports two-way conversion between XML and JSON with automatic formatting for easier API data processing.
Cron Expression Generator
Generate and validate crontab expressions online, with field builder and next execution time calculation.
Text Processing
Back to TopWord Counter
Counts Chinese characters, English characters, punctuation, numbers, and total characters online.
Case Converter
Supports batch conversion to uppercase, lowercase, title case, and camelCase online.
Text Diff Checker
Compares two text or code blocks online and highlights additions, deletions, and modifications.
Batch String Replace
Supports normal and regex batch replacement with case sensitivity and replace-all controls.
Text Deduplication
Removes duplicate lines from list text with one click, supports line sorting and blank-line filtering.
Markdown Editor
Online Markdown editor with live preview and export to HTML or PDF.
HTML to Markdown Converter
Quickly converts rich HTML content into standard Markdown syntax.
Chinese Pinyin Converter
Converts Chinese characters to pinyin with or without tone marks online.
Encryption Encoding
Back to TopMD5 Generator
Quickly generates MD5 digests for text, with 32/16 length and upper/lowercase options for signature verification.
SHA Hash Generator
Supports secure hash calculations including SHA1, SHA256, and SHA512.
Base64 Converter
Converts text to and from Base64, supports URL-safe mode, copy, and export.
URL Encoder Decoder
Online URL encode/decode converter supporting Chinese text, spaces, and special characters.
HTML Entity Encoder Decoder
Converts between HTML special characters and entities to help prevent XSS injection.
Image Design
Back to TopImage Compression
Compresses JPG/PNG/WebP images locally in the browser without uploading to protect privacy.
Image to Base64 Converter
Converts image files to Base64 strings or restores Base64 back to images.
QR Code Generator Decoder
Generates customized QR codes online and decodes uploaded QR images.
Color Picker Converter
Converts HEX, RGB, HSL and other color formats and supports online palette color picking.
Network Diagnostics
Back to TopIP Address Lookup
Checks your current IP and resolves geographic location for any IPv4/IPv6 address.
User-Agent Parser
Gets and parses browser User-Agent strings to identify OS and device information.
Port Scanner
Checks whether common ports are open on a server or domain online.
Ping Test
Runs ping online to test domain-resolved IP, latency, and connectivity status.
Security Services
Back to TopRandom Password Generator
Generates strong random passwords with customizable length and character sets.
AES DES Encrypt Decrypt
Provides online encryption and decryption using standard AES and DES symmetric algorithms.
RSA Encrypt Decrypt
Online RSA asymmetric utility for public-key encryption, private-key decryption, and key pair generation.
UUID Generator
Batch generates UUID (Universally Unique Identifier) values.
Timestamp Converter
Converts between Unix timestamps and Beijing time, supporting seconds and milliseconds.
JSON to YAML Converter
Quickly converts JSON data to YAML format with local processing and formatted output.
YAML to JSON Converter
Converts YAML configuration content to standard JSON structure for API debugging and data processing.
CSV to JSON Converter
Converts CSV table text to JSON arrays with first-row header recognition.
JSON to CSV Converter
Exports JSON array data to CSV text for table analysis and download.
SQL Formatter
Formats SQL statements online with optimized indentation and keyword styling for readability.
HTML Formatter
Beautifies HTML code online with automatic indentation and common structure cleanup.
CSS Formatter
Formats CSS code online with both beautify and minify output modes.
JavaScript Formatter
Formats JavaScript code online with minify and readable beautify layouts.
JSON String Escape
Converts text to safe JSON string format or reverses escaped content.
Unicode Converter
Converts between text and Unicode encoding for special characters and i18n content.
Query String Parser
Parses URL query parameters online with object view and encoding handling.
URL Parser
Splits full URLs into protocol, host, path, query parameters, and fragment.
JWT Decoder
Parses JWT header and payload locally for authentication debugging.
Cron Expression Parser
Parses cron expressions and explains execution rules for scheduled task troubleshooting.
UUID Validator
Validates UUID/GUID format with batch checking and result marking.
Line Sorter
Sorts multi-line text by alphabetic or numeric rules in ascending/descending order.
Line Number Generator
Adds line numbers to each text line with custom start value and separator.
Text Reverser
Supports character reverse, word reverse, and line reverse text processing modes.
Blank Line Remover
Removes blank lines from text in one click with optional single-blank-line retain mode.
Duplicate Line Remover
Removes duplicate text lines and keeps unique rows with case-sensitive options.
Text Shuffle
Randomly shuffles text line order for sampling, random display, and testing scenarios.
Slug Generator
Converts title text into URL-friendly slugs with separator and case options.
Lorem Ipsum Generator
Quickly generates placeholder paragraphs, sentences, and words with custom quantities.
Markdown Table Generator
Visually generates Markdown table syntax with alignment and column width controls.
Markdown TOC Generator
Automatically builds TOC from Markdown headings with anchor links support.
HTML Tag Remover
Removes HTML tags from text while keeping plain text content.
Word Frequency Analyzer
Counts word occurrences in text with sorting and high-frequency word filtering.
Text Splitter
Splits text by character, delimiter, or fixed length.
Text Joiner
Joins multi-line text into one line using delimiters, with batch support.
Sentence Counter
Counts sentence numbers in text with Chinese and English punctuation recognition.
Bcrypt Hash Generator
Generates Bcrypt hashes online with configurable cost parameters.
HMAC Signature Generator
Supports common signing algorithms such as HMAC-SHA1 and HMAC-SHA256.
Base32 Converter
Converts text to and from Base32, suitable for specific protocol scenarios.
Base58 Converter
Supports Base58 encoding and decoding, commonly used for blockchain address processing.
Base85 Converter
Online Base85 encode/decode converter for compact encoding scenarios.
ROT13 Converter
Applies ROT13 encoding and decoding to English text for simple substitution tests.
Caesar Cipher Converter
Supports Caesar encryption and decryption with custom shift values, ideal for cryptography beginners.
Morse Code Converter
Converts text to and from Morse code with common English character mapping support.
URL-Safe Base64 Converter
Quickly converts between standard Base64 and URL-safe Base64.
Hash Compare Checker
Compares whether two hash values are identical, with case and whitespace handling.
Image Resize Editor
Locally adjusts image width and height with proportional scaling and batch export support.
Image Crop Editor
Crops image areas online with fixed ratio and custom size options.
Image Watermark Editor
Adds text or image watermarks with position, opacity, and font size controls.
Image Format Converter
Converts between JPG, PNG, WebP and other common formats with local browser processing.
Favicon Generator
Quickly generates website favicon icons from images with multi-size export support.
CSS Gradient Generator
Visually creates linear and radial gradients with live preview and CSS code copy.
Color Palette Generator
Automatically generates harmonious color palettes with HEX/RGB export support.
CSS Shadow Generator
Visually adjusts shadow settings and generates box-shadow and text-shadow CSS code.
CSS Clamp Generator
Generates responsive clamp CSS code from minimum, preferred, and maximum values.
REM PX Converter
Converts rem and px units both ways with custom root font size support.