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Featured Tools

The most-used tools, ready in seconds. Pick one and get started.

Image Compressor

Reduce image file size without losing visible quality. Supports JPG, PNG, and WebP.

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EMI Calculator

Calculate monthly loan payments, total interest, and amortization schedules instantly.

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CGPA Calculator

Convert grades and credit hours into your cumulative grade point average in one step.

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JSON Formatter

Beautify, minify, and validate JSON data with syntax highlighting and error detection.

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Tool Categories

Find the right tool by category. Every tool is free and works in your browser.

Finance Tools

Loan calculators, interest rates, investment planners, and budgeting helpers.

12 tools

Student Tools

GPA calculators, citation generators, study timers, and grade trackers.

9 tools

Image Tools

Compress, resize, crop, convert, watermark, and optimize images for web and social media.

10 tools

PDF Tools

Merge, split, compress, and convert PDF files directly in your browser.

7 tools

Developer Tools

JSON formatters, base64 encoders, regex testers, and code beautifiers.

14 tools

Text Tools

Word counters, case converters, lorem generators, and string utilities.

11 tools
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Why Tolza

Built for Speed and Simplicity

No gimmicks. Every tool is designed to get you results as fast as possible.

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Tools run in your browser with zero waiting
100% Free
Every tool, every feature, completely free to use
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Jump straight into any tool without creating an account
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Works on any device with a web browser, nothing to install
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Your data stays on your device. Nothing stored on our servers