# ToolZone

> 28 free online tools for developers, designers, writers, creators, students, and everyday tasks. No signup; tool inputs run in the browser unless a page clearly says otherwise.

Canonical origin: https://www.toolzone.my

## Pages

- [Home](/): Overview and search across all 28 tools.
- [Tools](/tools): Complete directory of ToolZone tools by category.
- [Guides](/guides): Practical guides for the site's tools and high-intent tasks.
- [Guide Feed](/feed.xml): RSS feed for newly updated ToolZone guides.
- [OpenSearch](/opensearch.xml): Search descriptor for ToolZone's tool search.
- [Advertise](/advertise): Sponsored placements and partnership information.
- [Media Kit](/media-kit): Current sponsorship inventory and partner rules.
- [Partner Offers](/offers): Verified affiliate offers only when configured with approved HTTPS links.
- [Affiliate Disclosure](/affiliate-disclosure): How partner and sponsored links are disclosed.
- [Privacy Policy](/privacy-policy): How data is handled and when third-party services may be enabled.
- [Terms of Service](/terms): Usage terms.
- [Contact](/contact): Report bugs, suggest tools, or ask about advertising.

## Categories

- [Text Tools](/category/text): 5 browser-based tools in this category.
- [Developer Tools](/category/developer): 10 browser-based tools in this category.
- [Design Tools](/category/design): 2 browser-based tools in this category.
- [Security Tools](/category/security): 1 browser-based tools in this category.
- [Math Tools](/category/math): 5 browser-based tools in this category.
- [Health Tools](/category/health): 1 browser-based tools in this category.
- [Utility Tools](/category/utility): 1 browser-based tools in this category.
- [Finance Tools](/category/finance): 1 browser-based tools in this category.
- [SEO Tools](/category/seo): 2 browser-based tools in this category.

## Tools

- [Word Counter](/tools/word-counter): Free online word counter. Count words, characters (with/without spaces), sentences, paragraphs and reading time instantly. No signup, no limits.
- [Case Converter](/tools/case-converter): Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, kebab-case and PascalCase. Free and instant.
- [Lorem Ipsum Generator](/tools/lorem-ipsum-generator): Generate Lorem Ipsum placeholder text. Choose words, sentences or paragraphs, start with the classic 'Lorem ipsum dolor sit amet…' and copy in one click.
- [Text Reverser](/tools/text-reverser): Reverse any text by characters, words or lines. Free online text reverser — instant, no signup, runs entirely in your browser.
- [JSON Formatter](/tools/json-formatter): Free JSON formatter, validator and minifier. Pretty-print JSON with proper indentation, catch syntax errors, or compress to a single line. Runs in your browser.
- [Base64 Encoder / Decoder](/tools/base64-encoder-decoder): Encode text to Base64 or decode Base64 back to UTF-8 text. Free online Base64 tool, no signup, runs entirely in your browser.
- [URL Encoder / Decoder](/tools/url-encoder-decoder): Encode special characters in URLs (spaces, &, ?, =) to %xx escape sequences, or decode percent-encoded URLs back to readable text. Free, instant.
- [HTML Encoder / Decoder](/tools/html-encoder-decoder): Encode HTML entities (&, <, >, ", ') or decode them back to text. Free online HTML escape tool, instant and browser-based.
- [Regex Tester](/tools/regex-tester): Test JavaScript regular expressions live with match highlighting, flag support (g, i, m, s, u) and instant feedback. Free, no signup.
- [Hash Generator](/tools/hash-generator): Generate cryptographic hashes (SHA-256, SHA-1, SHA-512) of any text instantly. Free online hash generator using the Web Crypto API.
- [Color Converter](/tools/color-converter): Convert colors between HEX, RGB, HSL and CMYK formats. Live color picker with instant conversion. Free, no signup.
- [CSS Gradient Generator](/tools/css-gradient-generator): Build CSS linear gradients visually with live preview. Pick colors, set the angle, and copy the generated background CSS in one click.
- [Password Generator](/tools/password-generator): Generate strong random passwords using the Web Crypto API. Choose length and character types (uppercase, lowercase, numbers, symbols). Free, secure, in-browser.
- [Unit Converter](/tools/unit-converter): Convert between units of length, weight, temperature and speed. Free online unit converter with instant results. Metric ↔ Imperial.
- [Age Calculator](/tools/age-calculator): Calculate your exact age in years, months, days, hours and minutes from your date of birth. Free online age calculator, instant.
- [BMI Calculator](/tools/bmi-calculator): Calculate your Body Mass Index (BMI) in metric (kg, cm) or imperial (lb, in) and see your WHO category. Free, instant, no signup.
- [Random Number Generator](/tools/random-number-generator): Generate random integers in any range with optional duplicates. Free online RNG for giveaways, raffles, games and statistics.
- [Percentage Calculator](/tools/percentage-calculator): Calculate percentages online: what is X% of Y, percentage increase, and percentage decrease. Free instant percentage calculator.
- [Discount Calculator](/tools/discount-calculator): Calculate sale price after a discount, how much you save, and final price with optional tax. Free online discount calculator.
- [Tip Calculator](/tools/tip-calculator): Calculate restaurant tips, total bill, and amount per person. Free tip calculator for splitting checks quickly.
- [Loan Calculator](/tools/loan-calculator): Estimate monthly loan payments, total interest and full repayment cost from amount, rate and term. Free online loan calculator.
- [JSON to CSV Converter](/tools/json-to-csv-converter): Convert JSON arrays or objects into CSV for Excel, Google Sheets and data exports. Free JSON to CSV converter that runs in your browser.
- [Meta Tag Generator](/tools/meta-tag-generator): Generate complete HTML meta tags for SEO, Open Graph (Facebook, LinkedIn) and Twitter Cards. Free, instant, copy-paste ready.
- [Timestamp Converter](/tools/timestamp-converter): Convert Unix timestamps (epoch seconds or milliseconds) to human-readable dates and back. Free online timestamp converter.
- [JWT Decoder](/tools/jwt-decoder): Decode a JWT online to read its header, payload claims and expiry status. Free JWT decoder that runs 100% in your browser — tokens are never uploaded.
- [UUID Generator](/tools/uuid-generator): Generate random UUID v4 (GUID) values in bulk — lowercase, uppercase, or without dashes. Free online UUID generator using the Web Crypto API.
- [Diff Checker](/tools/diff-checker): Compare two texts or code snippets online and see added, removed and changed lines highlighted. Free diff checker, private and browser-based.
- [Slug Generator](/tools/slug-generator): Turn any title into a clean, SEO-friendly URL slug. Choose the separator, limit words, strip accents and stop words. Free online slugify tool.

## High-Intent Guides

- [Loan Payment Formula](/guides/loan-payment-formula): Learn how monthly loan payments are calculated from principal, annual interest rate, and term, with total interest explained.
- [How to Convert JSON to CSV](/guides/convert-json-to-csv): Convert JSON arrays and objects into CSV for spreadsheets, databases, and reports, including headers, nested values, and escaping rules.
- [HTML Entities and Escaping](/guides/html-entities-escaping): Learn when to escape HTML, which characters need entities, how encoding helps prevent XSS, and when decoding HTML entities is safe.
- [URL Encoding Query Parameters](/guides/url-encoding-query-parameters): Learn why URLs need percent encoding, which characters break query strings, and when to use encodeURIComponent instead of encodeURI.
- [Unit Conversion Formulas](/guides/unit-conversion-formulas): Convert length, weight, temperature and speed with common metric and imperial formulas, including Celsius to Fahrenheit and km/h to mph.
- [BMI Formula](/guides/bmi-formula-metric-imperial): Learn the adult BMI formula for metric and imperial units, how BMI categories are interpreted, and why BMI is only a screening measure.
- [How to Calculate Discount Price](/guides/how-to-calculate-discount-price): Calculate sale price after a discount, amount saved, and final checkout price with optional tax using a simple discount formula.
- [How Strong Is My Password? Length, Entropy and Real Rules](/guides/how-strong-is-my-password): Password strength explained: why length beats complexity, how entropy works, what makes a passphrase strong, and how to generate secure passwords safely.
- [Open Graph Meta Tags](/guides/open-graph-meta-tags): Learn which Open Graph and Twitter Card meta tags control link previews on Facebook, LinkedIn, WhatsApp, X, Slack, and other sharing surfaces.
- [Meta Description Length: How Long Should It Be?](/guides/meta-description-length-guide): Keep meta descriptions to about 150–160 characters on desktop and 120 on mobile. See pixel limits, truncation rules and a template for writing them fast.

## Other Guides

- [Percentage Calculator Formulas](/guides/percentage-calculator-formulas): Learn the simple formulas for X% of Y, percentage increase, percentage decrease, and reverse percentages, with quick examples.
- [Tip Calculator Guide](/guides/tip-calculator-guide): Calculate a restaurant tip, total bill, and per-person split using a simple tip formula for groups.
- [How to Pick a Random Giveaway Winner](/guides/pick-a-random-giveaway-winner): Pick a random giveaway winner fairly from a numbered list, raffle entries, comments, or spreadsheet rows using a simple random number method.
- [Title Case vs Sentence Case](/guides/title-case-vs-sentence-case): Learn the difference between title case and sentence case, plus when to use uppercase, lowercase, camelCase, snake_case and kebab-case.
- [How Many Words Is a 5-Minute Speech?](/guides/how-many-words-is-a-5-minute-speech): A 5-minute speech is roughly 625–750 words at a normal speaking pace. See word counts for 1, 3, 5, 10 and 20-minute talks, plus how to check yours instantly.
- [How to Validate JSON and Fix Common Syntax Errors](/guides/how-to-validate-json): Learn how to validate JSON and fix the most common errors: trailing commas, single quotes, unquoted keys, comments and unescaped characters — with examples.
- [Base64 Is Not Encryption: What It Actually Does](/guides/base64-vs-encryption): Base64 is reversible encoding, not encryption. Learn what Base64 is for, when to use it, its 33% size cost, and safe alternatives for protecting data.
- [How to Decode a JWT Safely](/guides/how-to-decode-a-jwt): Learn what is inside a JSON Web Token, how to decode the header and payload, how to read exp and iat claims, and why decoding is not verification.
- [SEO-Friendly URL Structure: Rules and Examples](/guides/seo-friendly-url-structure): How to structure URLs for SEO: slug length, hyphens vs underscores, stop words, trailing slashes, parameters and safe URL changes with redirects.
- [Unix Timestamp Explained](/guides/unix-timestamp-explained): What a Unix timestamp is, how to tell seconds from milliseconds, how time zones and leap seconds work, and how to convert epoch time to a readable date.
- [HEX vs RGB vs HSL: Which Color Format Should You Use?](/guides/hex-vs-rgb-vs-hsl): Compare HEX, RGB, HSL and CMYK color formats, learn when each is best, how alpha works, and how to convert between them without losing accuracy.
- [Regex Cheat Sheet: Patterns You Actually Use](/guides/regex-cheat-sheet): A practical regex cheat sheet: character classes, quantifiers, anchors, groups, lookarounds, flags and ready-made patterns for email, URLs, dates and IDs.
- [UUID Generator Comparison: v1 vs v4 vs v7](/guides/uuid-generator-comparison): Compare UUID versions and UUID generator tools side by side: v1, v4, v6, v7 and ULID, with a practical example of generating and using UUIDs as database primary keys.
- [Decoding vs Verifying a JWT](/guides/jwt-decoder-vs-jwt-verify): Decoding a JWT reads its claims; verifying it proves the token is authentic. See the difference with a worked example, the claims that matter, and common auth mistakes.
- [How to Compare Two Texts and Find the Differences](/guides/how-to-compare-two-texts): Compare two blocks of text, code or config line by line: how diff algorithms work, when to use word vs line diff, and a practical example of catching a config drift.
- [URL Slug Best Practices](/guides/slug-generator-best-practices): How to turn a title into a clean URL slug: length, stop words, accents and Arabic transliteration, dates, uniqueness, and what to do when a slug has to change.

## Sponsor Options

- Tool page sponsor: One relevant sponsored placement beside a matching utility.
- Category bundle: Multiple related tool pages plus category landing page visibility for a focused audience segment.
- Guide mention: Contextual partner mention inside a practical guide when the product helps readers complete that task.

## Monetization And Trust

- ToolZone may use ads, sponsor slots, and affiliate links only when clearly disclosed.
- Paid external links should use sponsored/nofollow attributes.
- Partner offers should be relevant to the tool or guide where they appear.
- Traffic numbers and sponsor pricing should come from current analytics, not estimates.
- Tool inputs run in the browser unless a page clearly says otherwise.