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Tools that simply work.

Solve small digital tasks without uploads, logins, or detours. marcel.tools brings precise utilities into a calm, consistent interface.

  • Browser-based processing
  • No sign-up
  • Clear results
v1 Selection

Everyday Tools

Frequently used helpers for your digital day.

01Text

Analyze Text

Counts characters, words, lines and calculates reading time.

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DevTools

Developer Tools

For coders, testers and administrators.

01Encoding

Base64 Encode/Decode

Converts text safely to Base64 and back. Ideal for tokens and credentials.

02Data

Format JSON

Validates, formats and minimizes JSON payloads. Operates strictly locally.

03Generators

Generate UUIDs

Creates cryptographically secure UUIDs (v4) in bulk.

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Privacy by default

Your input does not belong in our logs.

Local tools process text and files exclusively in your browser. If a future tool requires network access, we disclose the purpose, data scope, and provider before any action.