100% Free & Privacy-Secure Offline-first Tools

All-in-One Online Free Generator Hub

Instant, secure, and pro-grade utilities for developers, designers, and creators.

Converters & Encoders

Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to plain text instantly, fully in your browser.

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URL Encoder / Decoder

Percent-encode or decode URLs and query-string parameters safely and instantly.

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JSON Formatter / Validator

Beautify, minify, and validate JSON with clear error messages — all client-side.

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Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates in local time and UTC.

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JWT Decoder

Decode and inspect a JSON Web Token's header, payload and claims without verifying.

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Number Base Converter

Convert numbers between binary, octal, decimal and hexadecimal instantly.

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Text to Binary Converter

Convert text to binary and binary back to text using UTF-8 encoding.

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Markdown to HTML Converter

Convert Markdown into clean HTML with a live preview and copyable output.

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Regex Tester

Test and debug regular expressions against sample text with live match highlighting.

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Cron Expression Generator

Build and understand cron schedule expressions with presets and a plain-English summary.

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Meta Tag Generator

Generate SEO, Open Graph and Twitter Card meta tags for your web page in one place.

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CSV to JSON Converter

Convert CSV data into clean JSON in your browser, with header and delimiter options.

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HTML Entity Encoder / Decoder

Encode text to HTML entities or decode entities back to plain text instantly.

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Unit Converter

Convert length, weight, area, volume, speed, data and temperature instantly.

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Percentage Calculator

Work out percentages, ratios and percentage change in one place.

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BMI Calculator

Calculate Body Mass Index from height and weight, metric or imperial.

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Loan Calculator

Estimate monthly payments, total interest and total cost of a loan.

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