SuperB PowerTools

SuperB PowerTools

Free online tools for developers, creators, and everyday tasks — fast, private, and ready the moment you open them.

Popular tools

JSON FormatterBase64 EncoderUUID / GUID GeneratorRandom Password Generator

Categories

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Developer Tools

Formatters, encoders, and decoders for everyday development work.

12 tools

Generators

Generate UUIDs, passwords, and random strings on the spot.

6 tools

Text Tools

Count, clean up, and compare text.

7 tools

Converters

Convert data between common formats.

2 tools

Date & Time

Work with timestamps, dates, and durations.

2 tools

PDF Tools

Merge, split, compress, and password-protect PDF files.

5 tools

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Featured tools

JSON Formatter

Format and validate JSON with proper indentation.

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JWT Decoder

Decode a JSON Web Token and inspect its header and payload.

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UUID / GUID Generator

Generate random UUIDs (v4) for use in your applications.

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Random Password Generator

Generate strong, random passwords with custom rules.

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Random Number Generator

Generate one or more random numbers within a range.

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Word Counter

Count words, characters, and lines in your text.

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Timestamp Converter

Convert between Unix timestamps and human-readable dates.

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Why SuperB PowerTools?

Fast

Every tool runs in your browser, so results are instant — no server round trip.

Free

No sign-up, no subscriptions, no paywalls. Just open a tool and use it.

Privacy friendly

Your input and output stay on your device. We don't log what you type into a tool.

Easy to use

Clean, focused tool pages with no clutter getting in the way of the task at hand.