Free Online Tools You'll Love

Text analysis, developer utilities, converters, AI-powered tools — all free, no signup required.

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Text Tools

Analyze, transform, and manipulate text with powerful utilities.

Word Counter

Count words, characters, sentences, and paragraphs. Get reading time estimates.

Case Converter

Convert text to uppercase, lowercase, title case, sentence case, and more.

Lorem Ipsum Generator

Generate placeholder text for designs and mockups.

Text Diff

Compare two texts and highlight the differences.

Developer Tools

JSON, Base64, hashing, regex — essential tools for developers.

JSON Formatter

Format, validate, and minify JSON data with syntax highlighting.

Base64 Encoder/Decoder

Encode and decode text or files in Base64 format.

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes.

Regex Tester

Test regular expressions with real-time matching and highlighting.

Converters

Unit conversion, number bases, color formats, and more.

Unit Converter

Convert between length, weight, temperature, speed, and more.

Image Compressor

Compress PNG, JPG, and WebP images in your browser. No upload to server.

Image to PDF

Convert one or more images into a PDF file. 100% client-side.

HEIC to JPG Converter

Convert HEIC/HEIF photos (iPhone) to JPG directly in your browser.

AI Tools

Sentiment analysis, keyword extraction, summarization — no external APIs.

Sentiment Analysis

Analyze the emotional tone of your text using built-in AI.

Keyword Extractor

Extract the most important keywords from any text using TF-IDF.

Text Summarizer

Automatically summarize long texts with extractive summarization.

Readability Scorer

Get Flesch-Kincaid, Gunning Fog, and other readability scores.

Security Tools

Password generation, hash verification, encoding utilities.

Password Generator

Generate strong, random passwords with customizable rules.

UUID Generator

Generate RFC 4122 compliant UUIDs (v4).

Color Tools

Color pickers, palette generators, contrast checkers.

Palette Generator

Generate beautiful color palettes from a base color.

Contrast Checker

Check WCAG color contrast ratios for accessibility.

CSS Gradient Generator

Create and preview CSS gradient backgrounds visually.

Calculators

Financial calculators, VAT, percentages and everyday math tools.

Loan Calculator

Calculate monthly payments, total cost, and view amortization schedule for any loan.

Rental Yield Calculator

Calculate gross and net rental yield for your real estate investment.

Percentage Calculator

Calculate percentages: X% of Y, percentage change, and what percent X is of Y.

VAT Calculator

Calculate VAT amounts, switch between excluding and including tax prices.

Why 100,000+ users trust LuvTool

🔒

100% Private

All tools run in your browser. Your data never leaves your device — no upload, no server processing, no tracking.

✅

Open & Transparent

No hidden fees, no forced sign-up. Every tool is free to use without limits or watermarks.

⚖

Accurate & Reliable

Our calculators use standard financial formulas. Converters rely on official sources (ECB rates, ISO standards).

⚡

No Ads, No Bloat

Clean, fast interface focused on getting the job done. No pop-ups, no distractions.

Frequently Asked Questions

Is my data safe when using LuvTool?

Yes. All tools run 100% in your browser using JavaScript. No data is uploaded to our servers. You can verify this by using the tools offline or checking your browser's network tab.

Are the tools really free?

Yes, all tools are completely free with no usage limits. We offer optional API access for developers who want to integrate our tools into their applications.

How accurate are the calculators?

Our calculators use standard mathematical and financial formulas. Currency rates are sourced from the European Central Bank. However, results are for informational purposes — always consult a professional for important financial decisions.

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