Web Development Tools
23 Tools
Format JSON, encode Base64, generate hashes, create favicons, convert timestamps, inspect JWTs, test regular expressions, and format or minify code.
About Web Development Tools
Use these browser-based utilities for common development tasks, including JSON formatting, Base64 encoding, hashing, favicon creation, timestamp conversion, JWT inspection, regular-expression testing, and code processing.
Available Tools
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and vice-versa with real-time current timestamp
Base64 Encoder & Decoder
Encode text or files to Base64, or decode Base64 strings back to their original form
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or files
QR Code Generator & Scanner
Generate and scan QR codes in your browser
JSON Formatter
Format, validate, and analyze JSON data with tree visualization
Unit Converter
Convert px↔rem, HEX/RGB/HSL, bytes↔KB/MB/GB/TB, time zones, durations, and more—built for developers
Regex Tester
Build and test regular expressions with real-time matching and explanations
Regex Library & Snippet Manager
Browse copy-ready regex patterns and test them against sample text
Code Minifier
Format (beautify) or compress (minify) HTML, CSS, and JavaScript code
JWT Debugger
Decode and verify JSON Web Tokens with signature validation
JWT Generator
Generate secure JWT tokens with custom headers, payloads, and HMAC signing
UUID Generator
Generate unique identifiers (UUID/GUID) with multiple version support
Favicon Generator
Create multi-size favicon packages with adjustable cropping
CSV to JSON Converter
Convert CSV data into structured JSON
CSV Analyzer
Analyze CSV or TSV columns for counts, missing and unique values, and numeric ranges
Open Graph Tag Generator
Generate optimized Open Graph and Twitter Card meta tags with live preview
Password Strength Meter
Estimate password strength with zxcvbn feedback and pattern warnings
File Archiver
Create ZIP archives with drag-and-drop file bundling, all processed locally in your browser
YAML to JSON Converter
Convert YAML and JSON with syntax validation
HTML Checker
Validate and analyze HTML markup for errors
Hreflang Checker
Audit hreflang tags, verify locale codes, and confirm self-referencing links for multilingual SEO
HTTP Viewer
Inspect HTTP request and response headers
Redirect Detector
Trace URL redirects and analyze redirect chains
How These Tools Work
Clear Privacy Boundaries
Each tool states whether it runs in your browser or needs a server-side request.
Direct Results
Enter the source, run the check or conversion, and review the result on the same page.
Free to Use
No subscriptions or hidden fees. Check each tool for request or file-size limits.
Explore Other Categories
Network & Security Analysis
Inspect DNS records and IP details, check availability, identify site technologies, and audit performance. These checks use server-side services where browser-only processing is not possible.
Image & Media Tools
Create QR codes, extract color palettes, optimize images, magnify details, and inspect metadata in your browser.
Text Processing Tools
Convert case, count words, edit Markdown, clean text, remove duplicates, and transform strings in your browser.