一个干净好用的在线工具箱
常用计算、转换、文本处理和 3D 打印工具，打开网页就能用。
OneClick Tools
按分类浏览
搜索、筛选并打开常用在线工具。多数工具可直接在浏览器中使用。
Base64 Encoder
Encode and decode Base64 online.
JSON Formatter
Format and beautify JSON online.
JSON Validator
Validate JSON and show formatted output.
JSON Minifier
Validate and minify JSON online.
Calculator
Simple online calculator.
Percentage Calculator
Calculate percentages, ratios, and percent changes.
Loan Calculator
Estimate monthly loan payments and total interest.
Mortgage Calculator
Estimate monthly mortgage payments.
Compound Interest Calculator
Estimate compound growth over time.
ROI Calculator
Calculate investment gain or loss and ROI percentage.
Profit Margin Calculator
Calculate gross profit, margin, and markup.
Discount Calculator
Calculate sale discounts, tax, and final price.
QR Code Generator
Generate a QR-like visual code preview online.
File Size Converter
Convert file sizes between common units.
File Name Cleaner
Clean one or many file names online.
Unit Converter
Convert length, weight, temperature, and data size units.
Roman Numeral Converter
Convert numbers and Roman numerals.
Number to Words Converter
Convert numbers into English words.
Word Frequency Counter
Count word frequency and text statistics.
Reading Time Calculator
Estimate reading time from text.
Case Style Converter
Convert text into common code case styles.
List Randomizer
Shuffle list items randomly.
UUID Generator
Generate random UUID instantly.
Password Generator
Generate secure random passwords online.
Hash Generator
Generate SHA-256 hashes online.
JWT Decoder
Decode JWT headers and payloads online.
Color Converter
Convert HEX colors to RGB and HSL.
Word Counter
Count words, characters and paragraphs online.
Case Converter
Convert text to uppercase, lowercase and title case.
Timestamp Converter
Convert Unix timestamps to readable dates.
Age Calculator
Calculate age from a birth date.
Date Difference Calculator
Calculate the difference between two dates.
Time Zone Converter
Convert date and time between common time zones.
Unix Timestamp Batch Converter
Convert multiple Unix timestamps at once.
URL Encoder Decoder
Encode and decode URLs online.
PNG to WEBP
Convert PNG images to WEBP online.
PNG to JPG
Convert PNG images to JPG online.
JPG to PNG
Convert JPG images to PNG online.
WEBP to PNG
Convert WEBP images to PNG online.
Image Resizer
Resize images online by width and height.
Image Compressor
Compress images online and reduce file size.
Image Cropper
Crop local images in your browser.
Image Rotate Flip
Rotate and flip local images with canvas.
Image Metadata Viewer
View basic local image metadata.
Pixel Knock Grid Generator
Upload an image and generate a 3D printable pixel grid STL for pixel craft blocks. All processing runs locally in your browser.
Markdown Previewer
Preview Markdown text online.
HTML Formatter
Format and minify HTML online.
CSS Formatter
Format and minify CSS online.
XML Formatter
Format and minify XML online.
XML to JSON Converter
Convert simple XML to JSON online.
HTML Minifier
Minify HTML while preserving quoted attributes.
CSS Minifier
Minify CSS while preserving strings.
JavaScript Formatter
Format and minify JavaScript online.
Regex Tester
Test regular expressions online.
Lorem Ipsum Generator
Generate lorem ipsum placeholder text.
URL Parser
Parse URLs into protocol, host, path, query, and hash.
Query String Parser
Parse query strings into readable key value pairs.
Meta Tag Generator
Generate HTML meta tags for SEO pages.
Open Graph Tag Generator
Generate Open Graph and Twitter card tags.
Robots.txt Generator
Generate robots.txt rules online.
UTM URL Builder
Build campaign URLs with UTM parameters.
Canonical URL Checker
Compare current and canonical URLs locally.
HTTP Status Code Reference
Search common HTTP status codes and meanings.
MIME Type Lookup
Look up common MIME types by extension.
CSV to JSON Converter
Convert CSV rows to a JSON array online.
JSON to CSV Converter
Convert a JSON array of objects to CSV online.
YAML to JSON Converter
Convert simple YAML to JSON online.
JSON to YAML Converter
Convert JSON to simple YAML online.
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal.
HTML Entity Encoder Decoder
Encode and decode HTML entities online.
Random String Generator
Generate random strings online.
Text to Binary Converter
Convert text to binary online.
Binary to Text Converter
Convert binary to text online.
Slug Generator
Generate URL-friendly slugs from text.
Remove Duplicate Lines
Remove duplicate lines from text.
Sort Lines
Sort lines alphabetically online.
Text Reverser
Reverse text, words, or lines online.
Whitespace Cleaner
Clean extra spaces and empty lines from text.
Text Diff Checker
Compare two blocks of text line by line.
耗材成本计算器
根据耗材价格、重量和损耗估算模型材料成本。
打印时长成本计算器
根据打印时长、设备费率、材料和人工估算报价。
耗材长度计算器
根据重量、直径和密度估算耗材长度。
3D 打印重量计算器
根据耗材长度、直径和密度估算重量。
缩放比例计算器
根据原尺寸和目标尺寸计算切片软件缩放比例。
喷嘴体积流量计算器
根据层高、线宽和速度计算体积流量。
耗材价格对比计算器
按地区、货币和汇率手动对比耗材价格。
3D 模型搜索入口
从一个页面打开多个 3D 模型平台的搜索结果。
打印时长和耗材估算器
快速估算耗材用量、材料成本、体积流量和打印时长。
支撑材料成本计算器
估算主体材料、支撑材料、损耗和总材料成本。
剩余耗材计算器
根据线轴重量估算剩余耗材重量、长度和价值。
打印平台适配计算器
检查模型边界尺寸是否能放进打印平台。