Word Count
Count characters, words, punctuation, lines, and paragraphs in real time.
Total characters
0
Characters (no spaces)
0
Chinese characters
0
English words
0
Numbers
0
Punctuation / Symbols
0
Lines
0
Paragraphs
0
Local Tools
Common browser-local utilities for word count, RMB uppercase, regex testing, JSON, Base64, MD5, timestamps, colors, and encoding conversion.
RMB Uppercase
Convert numeric amounts into formal Chinese RMB uppercase text.
Regex Tester
Test regular expressions with common flags and preview matches instantly.
/
Matched 2 occurrence(s)
hello@itianci.cnadmin@example.com
Color Tool / Gradient
Convert HEX, RGB, and HSL, check contrast, and generate CSS gradients.
Color conversion
HEX
#5b3df5
RGB
rgb(91, 61, 245)
HSL
hsl(250, 90%, 60%)
Contrast check (WCAG)
Example Text AaContrast 2.93:1
AA Text ✗AA Large Text ✗AAA Text ✗
CSS gradient generator
deg
background: linear-gradient(135deg, #5b3df5, #b79bff);JSON <-> CSV
Convert JSON arrays and CSV tables for import, export, and data cleanup.
JWT Decode
Decode JWT headers and payloads, with issued and expiry times shown clearly.
Cron Parser
Parse standard five-field cron expressions and preview upcoming runs.
Field order: minute (0-59), hour (0-23), day (1-31), month (1-12), weekday (0-6, 0=Sunday)
Next 5 run times
- · 6/11/2026, 09:00:00
- · 6/12/2026, 09:00:00
- · 6/15/2026, 09:00:00
- · 6/16/2026, 09:00:00
- · 6/17/2026, 09:00:00
SHA Hash
Compute SHA-1, SHA-256, SHA-384, and SHA-512 locally with Web Crypto.
Base Conversion
Convert binary, octal, decimal, hex, and bases from 2 to 36 using BigInt.
Binary (2)
11111111
Octal (8)
377
Decimal (10)
255
Hexadecimal (16)
FF
Text Diff
Compare two text blocks line by line and highlight added or removed lines.
Case Conversion
Convert between camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, and Title Case.
camelCase
helloWorldExample
PascalCase
HelloWorldExample
snake_case
hello_world_example
kebab-case
hello-world-example
CONSTANT_CASE
HELLO_WORLD_EXAMPLE
Title Case
Hello World Example
AES Encrypt / Decrypt
Encrypt and decrypt with AES-GCM locally in the browser.
Base64 Encode / Decode
Safely encode and decode Unicode text for API and parameter testing.
MD5 Calculate / Verify
Calculate MD5 and compare it with an expected hash.
Random Number / String
Generate random test values with configurable character sets.
Timestamp Converter
Convert seconds, milliseconds, and date strings to local time and ISO output.
JSON Format / Minify
Format JSON for reading or minify it into one line for configs and requests.
Code Obfuscate / Minify
Minify JavaScript, CSS, or HTML, and obfuscate JavaScript when needed.
Strength can be adjusted after selecting "Obfuscate + Minify".
Parameter Analyzer
Parse URL query strings, form-like parameters, or JSON key-value data.
Sensitive Word Check
Run a quick first-pass scan with a lightweight built-in word list.
No matches in the built-in list.
Most tools here run locally in your browser and do not upload your content; the few that require network access only read public information. For security reasons, network tools do not support queryinglocalhostand other intranet addresses. Feel free to bookmark this page to keep these utilities handy.