Professional Online Tools

Fast, free, and privacy-first. JSON converters, SQL formatters, security tools, and more — all running locally in your browser.

✓ No sign-up required✓ 100% client-side✓ Your data stays private

Finance & Business

Popular

PayPal Fee Calculator

Estimate PayPal fees and net revenue with transparent, editable rates.

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Freelance Rate Calculator

Convert income goals, expenses, and billable time into a confident rate.

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GST/VAT Calculator

Calculate tax-inclusive or tax-exclusive totals with instant breakdowns.

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Unit Converter

Convert between metric, imperial, and other measurement units instantly.

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Developer

PopularNew

JSON to TypeScript

Convert JSON samples into TypeScript type definitions automatically.

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New

SQL Formatter

Format and beautify SQL queries with proper indentation and syntax highlighting.

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CSS Minifier

Remove whitespace and compress CSS for smaller file sizes.

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Base64 Encoder/Decoder

Encode text to Base64 and decode Base64 strings instantly.

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Security

Password Generator

Generate strong, random passwords with customizable length and character types.

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JWT Decoder

Decode and inspect JWT tokens to verify claims and payload data.

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SEO

Meta Tag Generator

Generate Open Graph and Twitter meta tags for social media previews.

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Robots.txt Generator

Create a robots.txt file to control search engine crawler behavior.

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Content

Word & Character Counter

Count words, characters, sentences, and paragraphs in any text instantly.

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