Browser Dev Tools
Developer utilities that run entirely in your browser - format, convert, encode, hash, and test without uploading anything.
No Upload
100% Private
Works Offline
Free
Developer tools (47)
JSON Formatter
Beautify and format JSON data
JSON Minifier
Minify JSON to reduce payload size
JSON Validator
Validate JSON syntax instantly
CSV to JSON
Convert CSV data to JSON format
JSON to CSV
Convert JSON to CSV for spreadsheets
JSON to YAML
Convert JSON to YAML config format
YAML to JSON
Convert YAML config to JSON
CSV Formatter
Format and clean CSV data
YAML Formatter
Beautify and validate YAML
XML Formatter
Format and prettify XML documents
Base64 Encoder
Encode text or data to Base64
Base64 Decoder
Decode Base64 strings in-browser
URL Encoder
Encode URLs and query strings
URL Decoder
Decode percent-encoded URLs
UUID Generator
Generate random UUID v4 identifiers
MD5 Generator
Generate MD5 hashes locally
SHA256 Generator
Generate SHA-256 hashes in-browser
Regex Tester
Test regular expressions live
Text Diff Tool
Compare two texts and highlight differences
Line Counter
Count lines, words, and characters
Markdown to HTML
Convert Markdown to HTML in-browser
QR Code Generator
Generate QR codes in-browser
Barcode Generator
Generate CODE128, EAN, UPC barcodes
Password Generator
Generate strong random passwords
Password Strength Checker
Test how strong your password is
Word Counter
Count words, chars, reading time
Character Counter
Count characters with limit and frequency
Case Converter
UPPER, lower, camelCase, snake_case
Slug Generator
Generate URL-friendly slugs
URL Parser
Break down URL into its components
Lorem Ipsum Generator
Generate placeholder text
JWT Decoder
Decode JWT tokens in-browser
Random Color Generator
Generate random HEX/RGB/HSL colors
Color Palette Generator
Generate complementary color palettes
HEX to RGB
Convert HEX colors to RGB and HSL
RGB to HEX
Convert RGB sliders to HEX color
Unix Timestamp Converter
Convert timestamps to dates and back
Tip Calculator
Calculate tips and split bills
Unit Converter
Length, weight, temperature, volume
Percentage Calculator
X% of Y, % change, what % is X of Y
Age Calculator
Calculate exact age from birthdate
Loan EMI Calculator
Monthly EMI and amortization table
Random Number Generator
Generate random numbers in a range
Robots.txt Generator
Create robots.txt for your website
Sitemap XML Generator
Generate XML sitemap for SEO
Meta Tag Generator
Generate HTML meta tags for SEO
Open Graph Generator
Generate OG and Twitter Card tags
All processing happens in your browser.
Nothing is uploaded. Your data never touches a server.