# Toolkeel

> 81 free online tools for PDFs, images, text, calculations, development and SEO. Every tool runs entirely in the visitor's web browser: files are never uploaded to a server. No account, no watermark, no daily limit. Funded by advertising.

Key facts:
- Privacy: processing happens on the user's device; see https://toolkeel.com/security/.
- Cost: free and unlimited; see https://toolkeel.com/pricing/.
- Operator: Sole Digital Media. Contact: support@toolkeel.com.

## PDF tools

- [Compress PDF](https://toolkeel.com/tools/compress-pdf/): Shrink scanned and image-heavy PDFs.
- [Edit PDF](https://toolkeel.com/tools/edit-pdf/): Edit text, add images, shapes, links, fill and sign.
- [Merge PDF](https://toolkeel.com/tools/merge-pdf/): Combine several PDFs into one, in any order.
- [Split PDF](https://toolkeel.com/tools/split-pdf/): Extract pages or split a PDF into several files.
- [JPG to PDF](https://toolkeel.com/tools/jpg-to-pdf/): Turn photos and scans into one PDF.
- [PDF to JPG](https://toolkeel.com/tools/pdf-to-jpg/): Save every PDF page as an image.
- [Sign PDF](https://toolkeel.com/tools/sign-pdf/): Draw or type a signature and place it.
- [Organize PDF](https://toolkeel.com/tools/organize-pdf/): Reorder, rotate and delete pages.
- [Rotate PDF](https://toolkeel.com/tools/rotate-pdf/): Turn pages that are sideways or upside down.
- [Delete PDF pages](https://toolkeel.com/tools/delete-pdf-pages/): Remove blank or unwanted pages.
- [Add page numbers](https://toolkeel.com/tools/add-page-numbers/): Number PDF pages in any position.
- [Watermark PDF](https://toolkeel.com/tools/watermark-pdf/): Stamp text such as CONFIDENTIAL or DRAFT.
- [PDF to text](https://toolkeel.com/tools/pdf-to-text/): Extract all text from a PDF.

## Image tools

- [Compress images](https://toolkeel.com/tools/compress-image/): Make JPEG, PNG and WebP files smaller.
- [Image to text (OCR)](https://toolkeel.com/tools/image-to-text/): Copy text from photos, scans and screenshots.
- [Resize image](https://toolkeel.com/tools/resize-image/): Change width and height in pixels or percent.
- [Convert image format](https://toolkeel.com/tools/convert-image/): Turn PNG, JPEG, WebP, GIF and AVIF into JPEG, PNG or WebP.
- [Crop image](https://toolkeel.com/tools/crop-image/): Cut to any size or aspect ratio.
- [HEIC to JPG](https://toolkeel.com/tools/heic-to-jpg/): Convert iPhone photos to JPG or PNG.
- [Rotate & flip image](https://toolkeel.com/tools/rotate-image/): Turn, straighten or mirror a photo.
- [Photo editor & filters](https://toolkeel.com/tools/photo-editor/): Brightness, contrast, colour and filter presets.
- [Blur & pixelate image](https://toolkeel.com/tools/blur-image/): Hide faces, plates and personal details.
- [Remove photo metadata](https://toolkeel.com/tools/photo-metadata/): See and strip EXIF data such as GPS location.
- [Watermark image](https://toolkeel.com/tools/watermark-image/): Add a text watermark to photos.
- [Image colour picker](https://toolkeel.com/tools/image-color-picker/): Get HEX colours and a palette from a photo.
- [Favicon generator](https://toolkeel.com/tools/favicon-generator/): Create favicon.ico and app icons.
- [Image to Base64](https://toolkeel.com/tools/image-base64/): Encode images as data URIs, and back.

## Audio & video

- [Screen recorder](https://toolkeel.com/tools/screen-recorder/): Record your screen, a window or a tab, with sound.
- [Voice recorder](https://toolkeel.com/tools/voice-recorder/): Record audio from your microphone, save as WAV.
- [Meme generator](https://toolkeel.com/tools/meme-generator/): Add classic top and bottom captions to an image.
- [Image splitter (grid)](https://toolkeel.com/tools/image-splitter/): Cut an image into tiles for Instagram grids.

## Text tools

- [Word & character counter](https://toolkeel.com/tools/word-counter/): Count words, characters, sentences and reading time.
- [Fancy text generator](https://toolkeel.com/tools/fancy-text-generator/): Stylish fonts to copy and paste for bios.
- [Typing speed test](https://toolkeel.com/tools/typing-speed-test/): Measure your words per minute and accuracy.
- [Remove line breaks & clean text](https://toolkeel.com/tools/text-cleaner/): Line breaks, extra spaces, duplicates, sorting.
- [Case converter](https://toolkeel.com/tools/case-converter/): UPPER, lower, Title, Sentence, camelCase and more.
- [Compare text](https://toolkeel.com/tools/text-diff/): See what changed between two versions.
- [Spin the wheel](https://toolkeel.com/tools/spin-the-wheel/): Random name picker wheel.
- [Text to speech](https://toolkeel.com/tools/text-to-speech/): Read text aloud with natural voices.
- [Slug generator](https://toolkeel.com/tools/slug-generator/): Turn titles into clean URL slugs.
- [Lorem ipsum generator](https://toolkeel.com/tools/lorem-ipsum-generator/): Placeholder paragraphs, sentences or words.

## Calculators

- [Percentage calculator](https://toolkeel.com/tools/percentage-calculator/): X% of Y, percent of total, % change.
- [VAT calculator](https://toolkeel.com/tools/vat-calculator/): Add or remove VAT, UAE 5% and more.
- [Invoice generator](https://toolkeel.com/tools/invoice-generator/): Create professional PDF invoices, with VAT.
- [UAE gratuity calculator](https://toolkeel.com/tools/gratuity-calculator/): End-of-service benefit under UAE labour law.
- [Loan & EMI calculator](https://toolkeel.com/tools/loan-calculator/): Monthly payment, interest and schedule.
- [Compound interest calculator](https://toolkeel.com/tools/compound-interest-calculator/): See savings grow with monthly contributions.
- [Discount calculator](https://toolkeel.com/tools/discount-calculator/): Sale price, savings and stacked discounts.
- [Profit margin calculator](https://toolkeel.com/tools/profit-margin-calculator/): Margin, markup and the price you need.
- [Salary converter](https://toolkeel.com/tools/salary-converter/): Hourly, daily, monthly and yearly pay.
- [BMI calculator](https://toolkeel.com/tools/bmi-calculator/): Body mass index with healthy weight range.
- [Random number generator](https://toolkeel.com/tools/random-number-generator/): Numbers in a range, dice and coin flips.
- [Online timer & stopwatch](https://toolkeel.com/tools/online-timer/): Countdown timer, stopwatch and pomodoro.
- [Age calculator](https://toolkeel.com/tools/age-calculator/): Exact age in years, months and days.
- [Date calculator](https://toolkeel.com/tools/date-calculator/): Days between dates; add or subtract days.
- [Unit converter](https://toolkeel.com/tools/unit-converter/): Length, weight, temperature, area and more.
- [Time zone converter](https://toolkeel.com/tools/time-zone-converter/): Compare times across cities.

## Developer tools

- [JSON formatter & validator](https://toolkeel.com/tools/json-formatter/): Pretty-print, minify and find JSON errors.
- [Password generator](https://toolkeel.com/tools/password-generator/): Strong random passwords with strength meter.
- [QR code generator](https://toolkeel.com/tools/qr-code-generator/): QR codes for links, Wi-Fi, email and phone, as PNG or SVG.
- [Barcode generator](https://toolkeel.com/tools/barcode-generator/): Code 128, EAN-13 and UPC-A as PNG or SVG.
- [URL encoder & decoder](https://toolkeel.com/tools/url-encoder/): Percent-encode text, decode links and inspect query strings.
- [Base64 encoder & decoder](https://toolkeel.com/tools/base64-encoder/): Encode and decode Base64 text or files.
- [Hash generator](https://toolkeel.com/tools/hash-generator/): MD5, SHA-1, SHA-256 and SHA-512 of text or files.
- [UUID generator](https://toolkeel.com/tools/uuid-generator/): Random v4 and time-ordered v7 UUIDs.
- [JWT decoder](https://toolkeel.com/tools/jwt-decoder/): Read a JSON Web Token's header and claims.
- [Unix timestamp converter](https://toolkeel.com/tools/timestamp-converter/): Epoch seconds ↔ readable dates.
- [Colour converter & contrast checker](https://toolkeel.com/tools/color-converter/): HEX, RGB, HSL, CMYK and WCAG contrast.
- [CSV ↔ JSON converter](https://toolkeel.com/tools/csv-json-converter/): Convert spreadsheets to JSON and back.
- [Regex tester](https://toolkeel.com/tools/regex-tester/): Test regular expressions with live highlights.
- [Number base converter](https://toolkeel.com/tools/number-base-converter/): Binary, octal, decimal, hex and any base.
- [IP subnet calculator](https://toolkeel.com/tools/subnet-calculator/): CIDR, masks, hosts and address ranges.

## SEO tools

- [Meta tag generator](https://toolkeel.com/tools/meta-tag-generator/): Title, description, Open Graph and X cards.
- [Schema markup generator](https://toolkeel.com/tools/schema-generator/): JSON-LD for business, articles, FAQs, products.
- [On-page SEO checker](https://toolkeel.com/tools/html-seo-analyzer/): Paste a page’s HTML and get an SEO checklist.
- [WhatsApp link generator](https://toolkeel.com/tools/whatsapp-link-generator/): Click-to-chat link, QR code and website button.
- [Title & meta description preview](https://toolkeel.com/tools/serp-preview/): See how a page may look in Google results.
- [Robots.txt generator](https://toolkeel.com/tools/robots-txt-generator/): Create robots.txt, with AI-crawler blocking.
- [Robots.txt tester](https://toolkeel.com/tools/robots-txt-tester/): Check whether a URL is blocked for Googlebot and others.
- [XML sitemap generator](https://toolkeel.com/tools/sitemap-generator/): Create sitemap.xml from a list of URLs.
- [UTM link builder](https://toolkeel.com/tools/utm-builder/): Campaign tracking links for analytics.

## Insights

- [How to merge PDF files into one document (Windows, Mac and phone)](https://toolkeel.com/insights/how-to-merge-pdf-files/): Combine several PDFs into a single file on Windows, Mac, iPhone or Android without installing software, keep pages in the right order and keep the file small.
- [How to split a PDF or extract pages (without uploading it)](https://toolkeel.com/insights/how-to-split-a-pdf/): Extract one page, a range of pages or every page of a PDF as separate files. Page-range syntax explained, plus how to remove pages instead.
- [How to convert iPhone photos (HEIC) to JPG on Windows](https://toolkeel.com/insights/convert-iphone-photos-to-jpg-on-windows/): Why iPhone photos arrive as .HEIC files on Windows, three free ways to turn them into JPG, and the iPhone settings that send JPG automatically.
- [How to convert a PDF to JPG images at the right quality](https://toolkeel.com/insights/how-to-convert-pdf-to-jpg/): Turn PDF pages into JPG or PNG images for social posts, slides or uploads. Which resolution (DPI) to choose, JPG vs PNG, and pixel sizes for A4 pages.
- [How to make a QR code that scans every time](https://toolkeel.com/insights/how-to-make-a-qr-code/): Create a free QR code for a link, Wi-Fi or contact card, choose the right error correction and print size, and avoid the mistakes that stop codes scanning.
- [How to edit text in a PDF, and why it is harder than in Word](https://toolkeel.com/insights/how-to-edit-text-in-a-pdf/): Change words, fix typos, fill in forms and add text to a PDF in your browser. Why PDFs are hard to edit, how fonts are matched and what to do with scanned PDFs.
- [Invalid JSON? The 9 most common errors and how to fix them](https://toolkeel.com/insights/how-to-fix-invalid-json/): Trailing commas, single quotes, comments, unquoted keys and other reasons JSON fails to parse, with before and after examples and how to find the exact line.
- [How to calculate percentages: 6 everyday examples](https://toolkeel.com/insights/how-to-calculate-percentages/): The three percentage formulas you actually need, worked examples for discounts, tips, marks, salary rises and price changes, and the mistakes to avoid.
- [How to calculate your exact age in years, months and days](https://toolkeel.com/insights/how-to-calculate-age/): Work out an exact age from a date of birth, by hand or instantly. How months of different lengths and leap years affect the result, with worked examples.
- [How loan EMI is calculated, with worked examples](https://toolkeel.com/insights/how-loan-emi-is-calculated/): The EMI formula explained step by step, how much of each payment is interest, what a 1% rate difference really costs, and how prepayment shortens a loan.
- [How to watermark your photos (and what a watermark can’t do)](https://toolkeel.com/insights/how-to-watermark-photos/): Add a text or logo watermark to photos and PDFs, choose placement and opacity that deter copying without ruining the image, and understand your copyright.
- [How many words is that? Word counts for pages, posts and reading time](https://toolkeel.com/insights/word-count-guide/): How many words fit on a page, how long a text takes to read or say aloud, and the character limits for titles, meta descriptions and popular social platforms.
- [UAE tax invoice requirements: what a VAT invoice must show (and what changes with e-invoicing)](https://toolkeel.com/insights/uae-tax-invoice-requirements/): What a UAE VAT tax invoice must include, when a simplified invoice is allowed, AED amounts on foreign-currency invoices, and the 2026–2027 e-invoicing timeline.
- [How to extract text from an image: getting accurate OCR results](https://toolkeel.com/insights/how-to-extract-text-from-an-image/): How optical character recognition works, how to photograph or scan documents for accurate results, and how to copy text from screenshots, photos and PDF scans.
- [How to record your screen on Windows, Mac, iPhone and Android (free)](https://toolkeel.com/insights/how-to-record-your-screen/): Free, built-in ways to record your screen on Windows 11, macOS, iPhone and Android, plus how to record from your browser with sound and no watermark.
- [UAE gratuity explained: how end-of-service benefits are calculated](https://toolkeel.com/insights/uae-gratuity-calculation-explained/): How end-of-service gratuity works under UAE Labour Law: 21 and 30 days’ basic pay per year, the two-year cap, resignation, unpaid leave and worked examples.
- [Margin vs markup: the pricing mistake that quietly eats your profit](https://toolkeel.com/insights/margin-vs-markup/): The difference between profit margin and markup, the formulas, a conversion table, and how to set prices that hit your target margin, with worked examples.
- [WhatsApp click-to-chat links: how to get more customer messages](https://toolkeel.com/insights/whatsapp-click-to-chat-guide/): How wa.me links work, where to place them, how to pre-fill messages and use QR codes, plus etiquette and rules that keep your WhatsApp Business number safe.
- [How to make a PDF small enough to email (without uploading it anywhere)](https://toolkeel.com/insights/compress-pdf-for-email/): Why PDFs get too big for email, and five ways to shrink them: compression, splitting, lower-resolution scans, re-exporting and sharing links. Step by step.
- [HEIC vs JPG: what is the difference, and which should you use?](https://toolkeel.com/insights/heic-vs-jpg/): HEIC files are about half the size of JPGs at similar quality, but many apps cannot open them. When to keep HEIC, when to convert, and how to stop it.
- [UAE VAT explained: how to add and remove 5% VAT correctly](https://toolkeel.com/insights/uae-vat-how-to-calculate/): How to calculate 5% UAE VAT: adding VAT to a price, extracting VAT from a VAT-inclusive total, common mistakes and the registration thresholds. With examples.
- [Flat rate vs reducing rate: why the same "4%" loan can cost twice as much](https://toolkeel.com/insights/flat-rate-vs-reducing-rate-loans/): Car and personal loans are often quoted at a flat rate that looks cheap. See how flat and reducing-balance interest compare, with worked examples.
- [Electronic signatures explained: when a signed PDF is enough](https://toolkeel.com/insights/electronic-signatures-explained/): The difference between simple electronic signatures and certificate-based digital signatures, what UAE, EU and US laws recognise, and how to sign a PDF safely.
- [What makes a password strong in 2026 (and what no longer matters)](https://toolkeel.com/insights/strong-password-guide/): Current, evidence-based password advice: length beats complexity, use a password manager, never reuse passwords, and turn on two-factor authentication.
- [Schema markup for small businesses: a practical, no-jargon guide](https://toolkeel.com/insights/schema-markup-for-small-business/): What structured data is, which schema types a small business actually needs, how to add JSON-LD to your site, and the mistakes that get markup ignored.
- [GEO: how to make your content easy for AI search to find and cite](https://toolkeel.com/insights/generative-engine-optimization/): How AI answers in Google, ChatGPT, Perplexity and Bing choose sources, and what you can control: crawl access, clear answers, structure and trust.
- [How to block (or allow) AI crawlers with robots.txt](https://toolkeel.com/insights/block-ai-crawlers-robots-txt/): Which user agents AI companies use, how to block training crawlers while staying in AI search, ready-made robots.txt rules, and what robots.txt cannot do.
- [Social media image sizes: a practical cheat sheet](https://toolkeel.com/insights/social-media-image-sizes/): Recommended image sizes and aspect ratios for Instagram, Facebook, LinkedIn, X and YouTube posts, stories, link previews and thumbnails.
- [How to make images smaller for a website without making them look worse](https://toolkeel.com/insights/make-images-smaller-for-websites/): A practical guide to image size for websites: choosing dimensions, JPEG vs WebP vs PNG, quality settings that look the same, and checking the result.
- [What your photos reveal: EXIF metadata explained, and how to remove it](https://toolkeel.com/insights/photo-metadata-explained/): Photos can contain the exact GPS location, date and device they were taken with. What EXIF, XMP and IPTC data contain, who can see it, and how to strip it.
- [Writing title tags and meta descriptions that do not get cut off](https://toolkeel.com/insights/title-tags-and-meta-descriptions/): How Google decides where to cut titles and descriptions, practical length targets, and a simple formula for writing search snippets people click.

## About

- [About](https://toolkeel.com/about/)
- [FAQ](https://toolkeel.com/faq/)
- [Editorial policy](https://toolkeel.com/editorial-policy/)