文字工具
Word Counter
Count words, characters, and lines in any pasted text.
日常瀏覽器工具
線上
工具箱。
文字、連結、編碼、JSON、時間、單位、密碼、雜湊與日常計算,打開就能用。
65
個免費工具
資料格式
JSON Formatter
Format, minify, and validate JSON in one place.
轉換工具
Base64 Encode / Decode
Convert plain text to Base64 and back.
轉換工具
URL Encoder / Decoder
Encode and decode URL-safe text values.
日期時間
Timestamp Converter
Convert Unix timestamps and date strings instantly.
單位換算
Length Unit Converter
Convert between common length units like km, mi, ft, and m.
安全與隨機
Password Generator
Create strong random passwords with custom rules.
安全與隨機
Hash Generator
Generate SHA-1, SHA-256, and SHA-512 hashes.
Web 與 SEO
QR Code Generator
Generate QR codes from text or URLs and download PNG or SVG output.
文字工具
Slug Generator
Turn a phrase into a clean URL slug.
text
links-urls
code-data
日期與時間
時間戳轉換與常用日期計算。
數字與單位
單位換算與日常計算。
安全與隨機
密碼產生、雜湊計算、UUID 與隨機識別碼。
Web 與 SEO
中繼標籤、爬蟲規則、行銷連結與網頁交付準備。
SEO Preflight Workspace→
Run page launch checks for title, description, canonical, robots, sitemap, and hreflang in one workspace.
Campaign URL Workspace→
Build, lint, and hand off tracked links with UTM, preserved params, custom rows, and QR preview in one workspace.
Crawl & Sitemap Manager→
Generate robots.txt, sitemap inventory, canonical host rules, and hreflang output in one workspace.
Payload Decoder→
Decode URL/Base64 payloads, normalize JSON, and inspect timestamps from one debugging workspace.
瀏覽器內執行免註冊本地優先處理結果可複製錯誤提示清楚
文字工具
Word Counter
Count words, characters, and lines in any pasted text.
文字工具
Case Converter
Switch text between uppercase, lowercase, title case, and kebab case.
文字工具
Slug Generator
Turn a phrase into a clean URL slug.
轉換工具
Base64 Encode / Decode
Convert plain text to Base64 and back.
轉換工具
URL Encoder / Decoder
Encode and decode URL-safe text values.
單位換算
Length Unit Converter
Convert between common length units like km, mi, ft, and m.
日期時間
Age Calculator
Calculate age in years from a birth date.
資料格式
JSON Formatter
Format, minify, and validate JSON in one place.
日期時間
Timestamp Converter
Convert Unix timestamps and date strings instantly.
開發輔助
Payload Decoder
Decode URL/Base64 payloads, normalize JSON, and inspect timestamps from one debugging workspace.
安全與隨機
UUID Generator
Generate single or batch UUID v4 values.
安全與隨機
Hash Generator
Generate SHA-1, SHA-256, and SHA-512 hashes.
安全與隨機
Password Generator
Create strong random passwords with custom rules.
文字工具
Remove Duplicate Lines
Remove repeated lines while preserving order.
文字工具
Sort Lines
Sort text lines alphabetically with common options.
文字工具
Trim Whitespace
Trim extra whitespace from text lines.
文字工具
Find and Replace
Find text matches and replace them instantly.
文字工具
Text Diff Checker
Compare two text blocks and inspect line differences.
轉換工具
HTML Escape / Unescape
Escape and unescape HTML entities.
轉換工具
Unicode Escape / Unescape
Convert text to Unicode escapes and back.
開發輔助
Binary Text Converter
Convert plain text and binary bytes in both directions.
開發輔助
Hex Text Converter
Convert text to hex bytes and decode hex to text.
開發輔助
Base Converter
Convert integers between bases 2, 8, 10, and 16.
開發輔助
JWT Tool
Decode, sign, and verify JWT tokens locally.
Web 與 SEO
Query String Builder
Build and parse URL query parameters.
Web 與 SEO
URL Parser
Break a URL into protocol, host, path, and query parts.
Web 與 SEO
SEO Preflight Workspace
Run page launch checks for title, description, canonical, robots, sitemap, and hreflang in one workspace.
Web 與 SEO
Crawl & Sitemap Manager
Generate robots.txt, sitemap inventory, canonical host rules, and hreflang output in one workspace.
Web 與 SEO
Meta & Social Preview
Plan meta title, description, Open Graph, and social card copy together, then hand off one clean tag bundle.
Web 與 SEO
Campaign URL Workspace
Build, lint, and hand off tracked links with UTM, preserved params, custom rows, and QR preview in one workspace.
Web 與 SEO
QR Code Generator
Generate QR codes from text or URLs and download PNG or SVG output.
Web 與 SEO
UTM Builder
Build campaign URLs with source, medium, campaign, term, and content fields.
Web 與 SEO
Meta Title/Description Preview
Preview how a page title and meta description may read in search results.
Web 與 SEO
Robots.txt Generator
Generate a basic robots.txt file with common block rules and sitemap output.
Web 與 SEO
Sitemap URL List Generator
Clean, trim, and deduplicate page URLs before building a sitemap file.
Web 與 SEO
Canonical Tag Checker
Compare a page URL and canonical URL to spot self, cross-domain, and mismatched canonicals.
Web 與 SEO
Hreflang Generator
Generate hreflang link tags for alternate locale URLs and x-default output.
Web 與 SEO
URL Parameter Extractor
Extract and decode query parameters from a full URL.
開發輔助
Semver Comparator
Compare two semantic versions.
日期時間
Date Difference Calculator
Calculate days, weeks, and months between two dates.
計算工具
Percentage Calculator
Compute percentage and remaining values from part and total.
計算工具
Ratio Calculator
Simplify and analyze two-part ratios.
計算工具
Random Number Generator
Generate random integers in a custom range.
文字工具
Lorem Ipsum Generator
Generate placeholder words, sentences, or paragraphs.
開發輔助
Regex Tester
Test regular expressions with live match highlighting and capture group table.
CSS 與色彩
Color Converter
Convert colors between Hex, RGB, HSL, and OKLCH with a live swatch and hue slider.
開發輔助
CRON Parser
Parse CRON expressions, describe them in plain language, and preview the next 10 runs.
開發輔助
HTTP Status Lookup
Look up HTTP status codes and meanings.
圖片工具
Image Optimizer
Compress JPEG, PNG, or WebP images and resize them without leaving the browser.
轉換工具
PDF Toolkit
Merge PDFs or extract page ranges directly in the browser.
資料格式
Table Format Converter
Convert tabular data between CSV, JSON, and Markdown tables in the browser.
文字工具
Markdown Live Preview
Write Markdown and see the rendered HTML update live, then export or print to PDF.
資料格式
JSON Schema Generator
Infer a JSON Schema from a sample JSON document, with draft selection and required policies.
開發輔助
Three-Way Diff Viewer
Paste a base version plus two edits and see conflicts, one-sided changes, and auto-merge candidates.
圖片工具
EXIF Viewer & Cleaner
Inspect EXIF metadata in your photos and re-export a clean copy without GPS or camera info.
文字工具
Clipboard History
Save a running history of snippets with search, pinning, and one-click copy — stored locally only.
文字工具
Chinese Text Converter
Convert Chinese text between Simplified and Traditional scripts and render Pinyin with tone marks, numbers, or plain.
CSS 與色彩
Color Contrast Checker
Check foreground-background color contrast against WCAG 2.1 AA and AAA thresholds for text and UI.
財務工具
Loan EMI Calculator
Loan EMI Calculator utility for fast browser-based tasks.
財務工具
Compound Interest Calculator
Compound Interest Calculator utility for fast browser-based tasks.
財務工具
Simple Interest Calculator
Simple Interest Calculator utility for fast browser-based tasks.
財務工具
Discount Calculator
Discount Calculator utility for fast browser-based tasks.
財務工具
Tax / VAT Calculator
Tax / VAT Calculator utility for fast browser-based tasks.
財務工具
Break-even Calculator
Break-even Calculator utility for fast browser-based tasks.
財務工具
Savings Goal Calculator
Savings Goal Calculator utility for fast browser-based tasks.