🛠 DEVELOPER TOOLS
Tools
Standalone utilities that run entirely in your browser. No data leaves your device.
32TOTAL│
29LIVE│
3SOON│
6CATEGORIES
₿
Crypto & Finance
🏦
Bitcoin Wallet Generator
Generate secure BTC wallet addresses & private keys entirely offline.
📤
Bitcoin Sender
Construct and broadcast signed Bitcoin transactions.
🔑
Private Key Converter
Convert BTC private keys between WIF, HEX, and other formats.
💱
Currency Converter
Live exchange rates across 150+ global currencies.
📈
Crypto Price Ticker
Real-time prices for top cryptocurrencies.
📊
Investment Return Calculator
Calculate ROI, CAGR, and annualised returns on any investment.
🧮
Compound Interest Calculator
Visualise the power of compounding over time.
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Developer Utilities
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JSON Formatter
Format, validate, and minify JSON with syntax highlighting.
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Base64 Encoder / Decoder
Encode or decode Base64 strings and files instantly.
🔐
Password Generator
Generate cryptographically strong passwords with custom rules.
🔢
UUID Generator
Generate v1, v4, and v5 UUIDs in bulk.
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Regex Tester
Test regular expressions with live match highlighting.
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Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes.
⏱
Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa.
🎨
Color Palette Generator
Generate harmonious colour palettes from any seed colour.
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Text & Writing
✏️
Word & Character Counter
Count words, characters, sentences, and reading time.
📄
Lorem Ipsum Generator
Generate placeholder text in multiple styles and lengths.
👁
Markdown Preview
Write Markdown and see a live rendered preview side by side.
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Text Case Converter
Convert between camelCase, snake_case, UPPER, title, and more.
↔
Diff Checker
Compare two blocks of text and highlight the differences.
◈
Design & Visual
🌈
Gradient CSS Generator
Build and export CSS gradients with a visual editor.
🟦
Box Shadow Generator
Design multi-layer box shadows and copy the CSS instantly.
🗜
Image Compressor
Compress JPEG, PNG, and WebP images client-side — zero upload.
⬛
QR Code Generator
Generate QR codes for URLs, text, WiFi, vCards, and more.
🌐
Networking & Security
📍
IP Address Lookup
Look up geolocation, ASN, and ISP data for any IP address.
🔍
DNS Lookup
Query A, AAAA, MX, TXT, CNAME, and NS records for any domain.
🔒
SSL Certificate Checker
Inspect SSL/TLS certificate details and expiry for any domain.
🔗
URL Encoder / Decoder
Encode and decode URL components and full query strings.
⚡
Productivity
🍅
Pomodoro Timer
Focus timer with custom work/break intervals and session tracking.
📐
Unit Converter
Convert length, weight, temperature, speed, and more.
🎂
Age Calculator
Calculate exact age in years, months, days, and hours.
🏠
Loan & Mortgage Calculator
Compute monthly payments, total interest, and amortisation schedules.