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Smart Tools,
Brilliant Results.

Ronald Reeves provides a high-performance suite of bilingual utilities for developers, financial planners, and everyone in between.

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Premium Utilities

Free, Fast & Secure

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Our Specialized Tools

Robots.txt Tester - Validate Your Robots.txt Rules

Test and validate your robots.txt file to ensure search engines can crawl your site correctly. Identify which pages are blocked and which are allowed for specific user-agents.
HTTP Headers Viewer

View your own browser's HTTP headers or analyze the headers of any public website. Professional HTTP request and response header inspector.
HEX to Decimal Converter

Convert hexadecimal (HEX) numbers to decimal format. Professional tool for memory analysis, color value calculation, and computer science learning.
VTT to SRT Converter - WebVTT to SubRip Online

Easily convert your WebVTT (.vtt) subtitle files to SRT (.srt) format with our free online tool. fast, secure, and processing entirely in your browser.
Proxy & VPN IP Checker

Determine if an IP address belongs to a known Proxy, VPN, Tor exit node, or data center.
JSON Formatter & Prettifier

Clean, indent, and prettify messy JSON data instantly with our free online tool. Support for custom indentation and syntax highlighting.

Precision Calculators

Auto Loan Calculator

Estimate your monthly car payments, total interest, and the true cost of your next vehicle purchase with our comprehensive auto loan calculator.
VA Mortgage Calculator

The VA Mortgage Calculator helps estimate the specialized costs associated with a Veterans Affairs loan.
Calories to Joules Converter (Food Energy)

Convert between kilocalories (Calories), kilojoules, joules, and small calories. Easily understand food energy units.
Body Fat Calculator

Calculate your body fat percentage, body fat mass, and lean body mass using the U.S. Navy Method and BMI Method. Plan your fitness journey with our interactive tool.
Grade Calculator

Calculate your current course grade based on weighted assignments and exams. Use our planner to find out what you need on your final exam to reach your target.
Interest Rate Calculator

Accurately determine the real interest rate on loans when only the monthly payment and total price are provided.

Latest Insights

I ran out of beer, the struggle is real.
General

I ran out of beer, the struggle is real.

Site update: New financial calculators, network security tools, and a deep dive into orbital manufacturing missions.

Ronald Reeves
2026-05-15
Rocket Lab / Varda Space - Winnebago Missions
Space

Rocket Lab / Varda Space - Winnebago Missions

A deep dive into the Varda Space Winnebago missions, the software architecture of W-2 and W-3, and the global infrastructure supporting orbital manufacturing.

Ronald Reeves
2026-05-05
Here we go again
General

Here we go again

New calculators and tools added to the Ronald Reeves platform, including Down Payment, HELOC, and mortgage specialized calculators.

Ronald Reeves
2026-04-20
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