37 Tools

Developer & Code Utilities

Client-side encoders, cryptographic generators, and sharing helpers.

🔗 New

QR Code Generator

Generate custom high-resolution static QR codes online for free. Instantly convert website links, Wi-Fi credentials, contact cards, and text. 100% private.

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🔑 Secure

Password Generator

Generate random and cryptographically secure passwords locally on your browser. Customize lengths, include symbols, and exclude similar characters. 100% private.

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🔏 Dev

Base64 Encoder & Decoder

Convert text and binary files to Base64 format or decode strings back instantly. Free online client-side Base64 converter, encoder, and decoder. 100% private.

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📋 Dev

JSON Formatter & Validator

Format, beautify, validate, and minify JSON strings instantly. Free online client-side JSON formatter, beautifier, and validator. 100% private and secure.

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🔐 Crypto

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 cryptographic hashes instantly from any text. Free online client-side hash generator and calculator. 100% private.

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🎨 Design

CSS Formatter

Format, beautify, and pretty print your CSS stylesheets instantly. Free online client-side CSS formatter and beautifier. Safe and 100% private in-browser tool.

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📊 Data

CSV to JSON Converter

Convert CSV data to JSON array or nested objects instantly. Safe, private, and 100% in-browser client-side CSV to JSON converter. No server uploads.

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🌐 Format

HTML Formatter & Beautifier

Format, beautify, and pretty print HTML layout code instantly. Free client-side HTML formatter and beautifier. 100% private, local in-browser execution.

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Speed

HTML Minifier

Compress your HTML files, remove comments, collapse white space, and minify inline script/style tags instantly. Safe, free, 100% private in-browser minifier.

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📜 Code

JavaScript Formatter

Beautify, clean, and format JavaScript code instantly. Free online client-side JS formatter lets you pretty print JS code securely. 100% private in-browser.

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📦 Build

JavaScript Minifier

Minify, compress, and obfuscate JavaScript files instantly. Free online client-side JS minifier reduces file sizes safely in your browser. 100% private.

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📈 Data

JSON to CSV Converter

Convert JSON to CSV format online instantly. Safe, private, and 100% in-browser client-side JSON to CSV converter. Export JSON to Excel with downloading.

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🪵 XML

JSON to XML Converter

Convert JSON to XML online instantly. Free, secure, client-side JSON to XML parser. Custom root tag, array wrappers, and syntax-highlighted output.

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📝 XML

XML Formatter & Beautifier

Format, beautify, and pretty print XML documents instantly. Free online client-side XML beautifier and formatter. 100% private, local in-browser execution.

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🧩 JSON

XML to JSON Converter

Convert XML to JSON online instantly and securely. Free client-side parser mapping XML nodes and attributes to nested JSON properties. 100% private.

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🗄️ SQL

SQL Formatter

Format and pretty-print your SQL queries instantly online. Automatically capitalize keywords and adjust indentation. Safe and client-side.

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🤖 UA

User Agent Parser

Parse and analyze browser User Agent strings instantly. Detect browser, operating system, layout engine, CPU, and device details locally.

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🔍 Dev

Regex Tester & Debugger

Test and debug regular expressions online. Real-time regex matching with match highlighting, group capture display, and flags support. Free, 100% private.

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🔄 Convert

JSON to YAML Converter

Convert JSON to YAML format instantly online. Paste JSON and get clean, formatted YAML output. Free client-side JSON to YAML converter.

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🔄 Convert

YAML to JSON Converter

Convert YAML to JSON format online. Paste YAML and get formatted JSON output instantly. Free client-side YAML to JSON converter with validation.

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⚙️ Dev

Cron Expression Generator

Generate and explain cron expressions visually. Build cron job schedules with minute, hour, day, month, and weekday selectors. Free cron expression builder.

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🏷️ Security

HTML Entity Encoder & Decoder

Encode and decode HTML entities online. Escape special characters to &, <, > or decode entities back to characters. Free, 100% private.

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🖼️ Encode

Image to Base64 Encoder

Convert images to Base64 data URLs instantly. Free online image to Base64 encoder for PNG, JPEG, SVG, WebP. Copy CSS background, HTML img src, or JSON value. 100% private.

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🔐 Security

Password Strength Checker

Check how strong your password is. Get instant feedback on length, complexity, entropy score, and estimated crack time. Free, private, 100% client-side.

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🔒 Encode

URL Encoder & Decoder

Encode or decode URLs instantly online. Convert special characters to percent-encoded format. Free URL encoder and decoder — 100% client-side, private.

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🆔 Bulk

Free Online Bulk UUID Generator

Generate bulk v4 UUIDs (Universally Unique Identifiers) instantly. Safe, secure, and calculated 100% client-side in your browser. Copy outputs with one click.

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⏱️ Time

Unix Epoch Timestamp Converter

Convert Unix epoch timestamps to human-readable dates and vice-versa instantly. Features a live epoch ticker. 100% client-side.

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🔑 Auth

JSON Web Token Debugger

Decode and inspect JSON Web Tokens (JWT) in real-time. Easily split and format JWT Header, Payload, and Signature components. 100% private.

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🤖 Dev

Free Online JSON Validator & Parser

Validate, debug, and inspect JSON code instantly. Clean design with character position checks, detailed error line pointers, and offline safety. 100% client-side.

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Speed

Free Online CSS Code Compressor

Compress, clean, and minify your CSS stylesheets instantly. Local client-side processing, size reduction metrics, and offline support. 100% free and secure.

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🖼️ Decode

Free Online Base64 to Image Decoder

Decode Base64 strings back to viewable and downloadable images. Fully client-side conversions, automatic MIME-type checks, and image specifications. 100% private.

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🔗 SEO

Free Online URL Parser & Debugger

Parse, analyze, and debug URL strings instantly. Deconstruct protocols, hostnames, paths, and query string key-values. Edit parameters and rebuild URL client-side.

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🌐 Network

Free Online HTTP Request Headers Viewer

Instantly view your outgoing HTTP request headers and browser navigator details. Clean layout displaying client IP, User-Agent, cookie status, and language. 100% free.

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🔍 Decode

Free Online QR Code Decoder & Scanner

Decode and scan QR codes instantly from image files or your clipboard. Local client-side processing using jsQR, secure extraction, and open/copy actions. 100% free.

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🌐 Domain

Free Client-Side Whois Lookup Tool

Lookup domain registration status, DNS name servers, TLD configurations, and metadata. Private client-side RDAP and DNS query dashboard.

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🔍 Network

Free Live DNS Record Lookup Utility

Query live DNS records (A, AAAA, MX, TXT, CNAME, NS) using secure DNS-over-HTTPS APIs. Clean table outputs,TTL metrics, and private offline checks.

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Speed

Free Online JSON Minifier

Compress JSON data online by removing formatting, tabs, newlines, and whitespaces. View size reduction metrics, bytes savings, and secure local checks.

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