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Bech32 Address Encoder/Decoder

Bech32 Address Encoder/Decoder Encode, decode, and validate Bitcoin SegWit addresses using the Bech32 (BIP 173) and Bech32m (BIP 350) specifications. Instantly verify checksums, identify address types (P2WPKH, P2WSH, P2TR), and convert between hex witness programs and human-readable addresses. How to Use Decode: Paste a Bitcoin SegWit address to see its human-readable part, witness version, witness ...

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MessagePack to JSON Converter

MessagePack to JSON Converter Convert between MessagePack binary format and JSON instantly in your browser. Decode MessagePack hex or Base64 strings into readable JSON, or encode JSON data into compact MessagePack format. How to Use Decode: Select Decode mode, choose your input format (Hex or Base64), paste your MessagePack data, and get pretty-printed JSON output ...

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Data URI Scheme Generator

Data URI Scheme Generator Convert files and text into RFC 2397 Data URIs directly in your browser. Upload any file or paste text content to generate a complete data URI with the correct MIME type, ready to embed in HTML, CSS, or JavaScript. How to Use File mode: Upload or drag-and-drop any file (images, fonts, ...

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CSP Generator & Evaluator

CSP Generator & Evaluator Build and validate Content Security Policy headers with a visual interface. Generate CSP headers by selecting directives and source values, or evaluate existing policies by pasting them for syntax validation and security analysis. How to Use Generate mode: Select a preset (Strict, Moderate, or Permissive) or customize individual directives like default-src, ...

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Webhook Signature Validator

Webhook Signature Validator Validate and generate HMAC-based webhook signatures directly in your browser. Verify that incoming webhook payloads are authentic by checking their cryptographic signatures, or generate signatures for testing your webhook endpoints. How to Use Validate mode: Paste the webhook payload body, enter your secret key, paste the received signature, and select the algorithm. ...

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CRLF / LF Line Ending Converter

CRLF / LF Line Ending Converter Convert text between different line ending formats instantly. Whether you’re working across Windows, Linux, and macOS, this tool ensures your files use the correct line endings for each platform. How to Use 1. Paste your text or upload a file into the input area. 2. The tool automatically detects ...

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CSS Box Shadow Generator

CSS Box Shadow Generator Design beautiful box shadows visually with a live preview. Add multiple shadow layers, tweak offsets, blur, spread, and color, then copy the CSS — no manual coding needed. How to Use Adjust the sliders for horizontal and vertical offset, blur radius, spread, and opacity. Toggle inset for inner shadows. Add up ...

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Electric Converter

Electric Current Converter Convert between electric current units instantly. Whether you are working with amperes, milliamperes, or microamperes, this converter handles the math so you do not have to. How to Use Select your source and target units from the dropdowns, enter a value, and see the conversion result immediately. The quick chart on the ...

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Robots.txt Generator & Validator

Robots.txt Generator & Validator Build spec-compliant robots.txt files with a visual editor, or validate existing ones against RFC 9309. Includes presets for common configurations, syntax highlighting, and a URL tester to check if specific paths are blocked or allowed. How to Use Switch between Generator and Validator tabs. In Generator mode, pick a preset or ...

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Sitemap.xml Generator

Sitemap.xml Generator Generate valid, schema-compliant sitemap.xml files following the sitemaps.org protocol. Paste URLs, configure per-URL settings like priority and change frequency, then download your sitemap ready to upload to your server. How to Use Paste your URLs one per line, or upload a CSV file with URL metadata. Set default values for change frequency and ...

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Dockerfile Linter & Formatter

Dockerfile Linter & Formatter Lint and format your Dockerfiles with best-practice rules inspired by hadolint. Check for security issues, optimize layers, enforce conventions, and format consistently — all in the browser. How to Use Paste your Dockerfile into the Linter tab to scan for errors, warnings, and optimization opportunities. Each issue shows the line number, ...

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Rust Code Formatter

Rust Code Formatter Format your Rust code following official rustfmt conventions. Paste your code, configure formatting options, and get clean, consistently styled output matching cargo fmt standards. How to Use Paste your Rust code into the editor, select your preferred max line width (80, 100, or 120 characters) and Rust edition (2015, 2018, or 2021), ...

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Python Code Formatter

Python Code Formatter Format your Python code following Black and PEP 8 conventions. Paste your code, choose your preferred line length, and get clean, consistently styled output with import sorting and proper spacing. How to Use Paste your Python code into the editor, select your preferred max line length (79, 88, or 120 characters), then ...

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RGB to CMYK Converter

RGB to CMYK Converter Convert colors between RGB (screen) and CMYK (print) color spaces instantly. Essential for designers preparing files for print production who need accurate color space translations. How to Use Enter your color using RGB values (0-255), hex code, or the color picker. The tool instantly converts to CMYK percentages. Switch to CMYK→RGB ...

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SVG Optimizer & Minifier

SVG Optimizer & Minifier Optimize and compress your SVG files for faster web performance. Remove unnecessary metadata, minify path data, and reduce file size while keeping visual quality intact — all without leaving your browser. How to Use Upload an SVG file or paste SVG code directly. Choose an optimization preset — Light for safe ...

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Border Radius Generator

CSS Border Radius Generator Visually design rounded corners for your CSS elements. Adjust each corner independently, use elliptical radii, pick from presets, and copy the CSS code — all with a live preview. How to Use Choose simple mode to set all corners at once, or switch to advanced mode for individual corner control. Enable ...

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Compound Interest Calculator

Compound Interest Calculator Calculate how your investments grow over time with compound interest. See the power of compounding with different frequencies and optional regular contributions. How to Use Enter your initial principal amount, annual interest rate, and investment period. Choose a compounding frequency and optionally add monthly contributions. Results update automatically as you type. Features

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Image Placeholder Generator

Image Placeholder Generator Create custom placeholder images for mockups, wireframes, and web design. Set any dimensions, choose colors, add text, and download instantly. How to Use Enter custom dimensions or pick a preset size (social media, web banners, device screens). Choose a background style — solid color, gradient, or pattern. Add custom text or use ...

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Image Metadata (EXIF) Viewer

Image Metadata (EXIF) Viewer View, export, and strip EXIF metadata from your images — entirely in your browser. No uploads, no servers, complete privacy. How to Use Drop an image file onto the upload area or click to select one. The tool instantly parses and displays all embedded metadata organized into clear categories. View GPS ...

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IBAN Validator & Generator

IBAN Validator & Generator Validate, generate, and format International Bank Account Numbers (IBANs) using the ISO 13616 standard. Supports 80+ countries with per-country validation rules. How to Use Choose a mode: Validate to check an existing IBAN, Generate to create a valid IBAN from country, bank code, and account number, or Bulk Validate to check ...

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