# ToolTama > Simple, free online tools for everyday tasks. ## Pages - [IBAN Validator](https://tooltama.com/iban-validator/): Calculate days between two dates. Runs locally in your browser, without an account. - [Hijri Date Converter](https://tooltama.com/hijri-date-converter/): Calculate days between two dates. Runs locally in your browser, without an account. - [How to calculate VAT in Saudi Arabia (15%)](https://tooltama.com/guides/how-to-calculate-vat-in-saudi-arabia/): Support availability, troubleshooting links and information to prepare when reporting a problem. - [How to merge PDF files without uploading them](https://tooltama.com/guides/how-to-merge-pdf-files-without-uploading/): Support availability, troubleshooting links and information to prepare when reporting a problem. - [How-to guides](https://tooltama.com/guides/): Support availability, troubleshooting links and information to prepare when reporting a problem. - [Privacy and Security: Files Never Uploaded](https://tooltama.com/privacy-security/): Support availability, troubleshooting links and information to prepare when reporting a problem. - [Contact ToolTama](https://tooltama.com/contact/): Support availability, troubleshooting links and information to prepare when reporting a problem. - [ToolTama Accessibility](https://tooltama.com/accessibility/): ToolTama’s accessibility approach, current limitations and ways to report barriers. - [ToolTama Terms of Use](https://tooltama.com/terms/): Conditions and limitations for using ToolTama’s free online utilities. - [ToolTama Help](https://tooltama.com/help/): How to use ToolTama tools, handle errors and understand browser and file limits. - [Free Online Tools Directory](https://tooltama.com/tools/): Browse all ToolTama utilities by category: PDF, image, SEO, text, developer tools, calculators and converters. No registration required. - [Free SEO Tools](https://tooltama.com/seo/): Review page source, headings, links and readability, or build campaign URLs and sitemap XML. Pasted-source checks do not crawl live websites. - [JSON-LD Validator](https://tooltama.com/json-ld-validator/): Check JSON-LD syntax and inspect top-level contexts and types from raw JSON or pasted HTML. - [Robots.txt Generator](https://tooltama.com/robots-txt-generator/): Create a simple robots.txt draft with path exclusions and an optional sitemap URL. - [XML Sitemap Generator](https://tooltama.com/sitemap-generator/): Generate sitemap XML from a list of public page URLs with optional honest last-modified dates. - [UTM Builder](https://tooltama.com/utm-builder/): Build campaign links with source, medium and campaign tags while preserving existing URL parameters and fragments. - [SEO URL Checker](https://tooltama.com/seo-url-inspector/): Inspect URL structure, hostname, length, path and tracking parameters locally. - [Link Checker from HTML](https://tooltama.com/internal-external-link-auditor/): Inspect hyperlinks, external destinations, nofollow tags and broken local fragment targets in pasted HTML. - [Alt Text Checker](https://tooltama.com/image-alt-text-auditor/): Find images in pasted HTML with missing, empty or descriptive alt attributes. - [Readability Checker](https://tooltama.com/readability-checker/): Estimate English reading ease and grade level with the Flesch formulas. Estimates, not Google ranking factors. - [Keyword Density Checker](https://tooltama.com/keyword-frequency-analyzer/): Count top words and 2–3 word phrases in text, with optional exact keyword frequency. Not a ranking score. - [H1–H6 Heading Structure Checker](https://tooltama.com/heading-structure-checker/): Inspect heading hierarchy, missing H1s, empty headings and skipped levels in a pasted HTML document. - [Meta Tag Analyzer](https://tooltama.com/meta-tag-analyzer/): Analyze title, description, canonical, robots and social metadata from pasted HTML source. No remote crawler required. - [SERP Snippet Preview Tool](https://tooltama.com/serp-snippet-preview/): Preview a search result title, URL and description as you write them. Google's actual display can differ. - [HTML Entity Encoder](https://tooltama.com/html-encode/): Safely encode special characters in text as HTML entities. For example, an ampersand becomes & and a less-than sign becomes <. - [About ToolTama](https://tooltama.com/about/): Practical browser tools for everyday digital tasks. - [Unit Converter Online](https://tooltama.com/converter/): Convert lengths, temperatures, file sizes and color values. Read each tool’s units carefully; file size units here use a 1024-byte scale. - [Online calculators](https://tooltama.com/calculator/): Calculate percentages, dates, margins and fixed-rate loan payments. Results depend on the values you enter; verify estimates before making decisions. - [Developer Tools Online](https://tooltama.com/developer/): Format JSON, encode text, inspect structured data and generate identifiers. Encoding is reversible and does not encrypt secrets. - [Online Text Tools](https://tooltama.com/text/): Count words, change case, clean whitespace and organize text. These tools operate on the text you paste and show a result you can copy. - [Free Image Tools Online](https://tooltama.com/images/): Resize, inspect and convert common image files in your browser. Converting to JPG removes transparency; exported images may lose metadata or animation. - [Free PDF Tools Online](https://tooltama.com/pdf/): Combine documents, extract a page range, rotate pages and turn JPG or PNG images into a PDF. Processing uses pdf-lib in your browser. Encrypted files and complex PDF features may be unsupported. - [JPG to PDF Converter](https://tooltama.com/images-to-pdf/): Turn JPG and PNG images into a PDF file. Work with files locally in your browser. - [Rotate PDF Pages Online](https://tooltama.com/rotate-pdf/): Rotate all pages of a PDF by 90, 180 or 270 degrees. Work with files locally in your browser. - [Extract Pages from PDF](https://tooltama.com/split-pdf/): Extract a range of pages from a PDF into a new file. Work with files locally in your browser. - [Merge PDF Without Uploading](https://tooltama.com/merge-pdf/): Combine multiple PDF files into one downloadable document. Work with files locally in your browser. - [Check Image Dimensions](https://tooltama.com/image-dimensions/): Find image dimensions, file size and MIME type instantly without uploading. - [Convert Image to WebP](https://tooltama.com/image-to-webp/): Convert JPG and PNG images to WebP with customizable output quality. - [JPG to PNG Converter](https://tooltama.com/jpg-to-png/): Convert JPEG images into PNG format locally in your browser. - [PNG to JPG Converter](https://tooltama.com/png-to-jpg/): Convert PNG pictures to JPEG in your browser without uploading your images. - [Compress Image Online Free](https://tooltama.com/image-compressor/): Compress images to JPEG with adjustable quality. Transparent areas become white. - [Resize Image Online](https://tooltama.com/image-resizer/): Resize JPG, PNG and WebP images by width and height, directly in your browser. - [Free Online Tools](https://tooltama.com/): Free online tools for PDF files, images, SEO, text, JSON, calculations and conversions. Process input in your browser without creating an account. - [Loan Calculator Monthly Payment](https://tooltama.com/loan-calculator/): Estimate monthly payments on a fixed-rate loan. Runs locally in your browser, without an account. - [Calculate Age from Date of Birth](https://tooltama.com/age-calculator/): Calculate age from date of birth. Runs locally in your browser, without an account. - [Days Between Two Dates Calculator](https://tooltama.com/date-difference/): Calculate days between two dates. Runs locally in your browser, without an account. - [HEX to RGB Converter](https://tooltama.com/hex-to-rgb/): Convert hexadecimal colors to RGB values. Runs locally in your browser, without an account. - [RGB to HEX Converter](https://tooltama.com/rgb-to-hex/): Convert RGB color components to hexadecimal. Runs locally in your browser, without an account. - [Bytes to MB Converter](https://tooltama.com/file-size-converter/): Convert bytes to KB, MB, GB and binary units. Runs locally in your browser, without an account. - [Meters to Feet Converter](https://tooltama.com/length-converter/): Convert meters to feet, inches, kilometers and miles. Runs locally in your browser, without an account. - [Celsius to Fahrenheit Converter](https://tooltama.com/temperature-converter/): Convert Celsius to Fahrenheit and Kelvin. Runs locally in your browser, without an account. - [VAT Calculator Saudi Arabia 15% and UAE 5%](https://tooltama.com/vat-calculator/): Calculate VAT amount and total price. Runs locally in your browser, without an account. - [Profit Margin Calculator](https://tooltama.com/profit-margin-calculator/): Calculate profit and gross margin. Runs locally in your browser, without an account. - [Percentage Change Calculator](https://tooltama.com/percentage-change/): Calculate percentage change between two values. Runs locally in your browser, without an account. - [Percentage Calculator](https://tooltama.com/percentage-calculator/): Calculate a percentage of a number. Runs locally in your browser, without an account. - [Strong Password Generator](https://tooltama.com/password-generator/): Generate a random 20-character password. Runs locally in your browser, without an account. - [SHA256 Hash Generator](https://tooltama.com/sha256-generator/): Create a SHA-256 hash from text using your browser. No signup required. - [UUID Generator](https://tooltama.com/uuid-generator/): Generate a random version 4 UUID in your browser. No signup required. - [HTML Entity Decoder](https://tooltama.com/html-decode/): Decode HTML entities into readable characters. No signup required. - [URL Decode Online](https://tooltama.com/url-decode/): Decode percent-encoded URL text. No signup required. - [URL Encode Online](https://tooltama.com/url-encode/): Percent-encode text for use in URLs. No signup required. - [Base64 Decoder](https://tooltama.com/base64-decode/): Decode Base64 strings back into readable text. No signup required. - [Base64 Encoder](https://tooltama.com/base64-encode/): Encode UTF-8 text into Base64. No signup required. - [JSON Validator](https://tooltama.com/json-validator/): Validate JSON syntax and identify parsing errors. No signup required. - [JSON Minifier](https://tooltama.com/json-minifier/): Remove unnecessary spaces from valid JSON. No signup required. - [JSON Formatter](https://tooltama.com/json-formatter/): Format and pretty-print JSON with readable indentation. No signup required. - [Find and Replace Text Online](https://tooltama.com/text-replace/): Replace all occurrences of a word or phrase in your text. No signup required. - [Remove HTML Tags from Text](https://tooltama.com/strip-html/): Extract readable text from HTML markup. No signup required. - [URL Slug Generator](https://tooltama.com/text-to-slug/): Turn a title into a clean URL-friendly slug. No signup required. - [Remove Extra Spaces](https://tooltama.com/remove-extra-spaces/): Clean repeated spaces and unnecessary blank lines from text. No signup required. - [Reverse Text Generator](https://tooltama.com/reverse-text/): Reverse characters in a text string. No signup required. - [Sort Lines Alphabetically](https://tooltama.com/sort-lines/): Sort text lines in alphabetical order. No signup required. - [Remove Duplicate Lines](https://tooltama.com/remove-duplicate-lines/): Remove repeated lines from a list while preserving their original order. No signup required. - [Case Converter](https://tooltama.com/case-converter/): Convert text to uppercase, lowercase, title case or sentence case. No signup required. - [Word Counter](https://tooltama.com/word-counter/): Count words, characters, sentences and lines instantly. No signup required. - [ToolTama Privacy Policy](https://tooltama.com/privacy-policy/): How ToolTama handles tool inputs, hosting requests, third-party libraries and support messages. [comment]: # (Generated by Hostinger Tools Plugin)