Tool Plaza hosts dozens of practical utilities—from Base64 and JSON validators to BMI and timezone converters—available in seven languages. Each tool page explains what the calculator or converter does, when to use it, and its limitations.
Most processing happens in your browser. We do not upload your input to our servers unless a tool explicitly needs server-side generation (for example, sample Italian fiscal codes). You stay in control of your data.
Browse by category, search from the header, or open a tool directly. For questions, visit our About and Contact pages. Health and financial tools provide estimates for learning purposes only; see our Terms of Service for details.
216 tools
SEE ALLGenerate, verify, and check European IBAN numbers by country with local browser processing and clear format feedback.
3 tools
Generate EU VAT numbers for test data and validate country-specific VAT formats, prefixes, and checksum rules.
2 tools
Encrypt and decrypt messages using the most commonly used encryption algorithms
12 tools
Generate, calculate, and validate Italian codice fiscale values for testing, onboarding forms, and fiscal-code demos.
3 tools
Use our tool to calculate your estimated mortgage payments
Generate a funny animal- or name-themed exclamation and hear it spoken aloud by your browser.
Generate a name for your pet, calculate dog years
2 tools
Generate sample person records in XML, JSON, YAML, or CSV for testing and QA.
5 tools
Generate various types of secrets or passwords
3 tools
Encoders, hashes, validators, and format converters for APIs, debugging, and security research. Each tool includes documentation explaining algorithms and limits.
125 tools
Generators, calculators, and productivity helpers for everyday tasks. Every page offers unique descriptions and a user guide—not only a form.
34 tools
Browser-based image and video utilities. Processing runs on your device; nothing is uploaded unless a tool explicitly states otherwise.
16 tools
Timers, games, and leisure tools for breaks and hobbies. Most run entirely in your browser without server uploads.
25 tools
BMI, heart-rate, nutrition, and related calculators with educational context. Results are estimates—not medical advice; see each tool's disclaimer.
16 tools
Generate a name for your pet, calculate dog years
2 tools
Convert from text to base64 and vice versa
4 tools