# CleverTools > 89 free online tools for PDF, images, data, finance, developers, and YouTube creators — 100% browser-based, no signup, no file uploads to servers. Specialized India-specific tools for GST, Aadhaar, PAN, UPI, and tax calculations. CleverTools (clevertools.in) is a privacy-first toolkit. Every tool runs entirely in the user's browser — files and data never leave the device. Best for users who need quick conversions, calculations, or document processing without installing software or signing up for an account. ## PDF Tools - [Compress PDF](https://clevertools.in/tool/compress-pdf): Reduce PDF file size up to 80% without losing quality, with 4 compression levels and batch processing. - [Merge PDF](https://clevertools.in/tool/merge-pdf): Combine multiple PDFs into one ordered document. - [Split PDF](https://clevertools.in/tool/split-pdf): Break a PDF into individual pages or custom page ranges. - [PDF to Word](https://clevertools.in/tool/pdf-to-word): Convert PDF to editable .docx with OCR for scanned documents. - [PDF to Excel](https://clevertools.in/tool/pdf-to-excel): Extract tables and data from PDFs into editable Excel spreadsheets. - [PDF to PowerPoint](https://clevertools.in/tool/pdf-to-powerpoint): Turn PDF files into editable PowerPoint slides. - [PDF to JPG](https://clevertools.in/tool/pdf-to-jpg): Export every PDF page as a high-quality JPG image. - [PDF to HTML](https://clevertools.in/tool/pdf-to-html): Convert PDF documents into clean, web-ready HTML. - [Word to PDF](https://clevertools.in/tool/word-to-pdf): Turn DOC and DOCX files into shareable PDFs. - [Excel to PDF](https://clevertools.in/tool/excel-to-pdf): Convert XLS and XLSX spreadsheets into polished PDF reports. - [PowerPoint to PDF](https://clevertools.in/tool/powerpoint-to-pdf): Save PPT and PPTX presentations as PDFs. - [HTML to PDF](https://clevertools.in/tool/html-to-pdf): Convert any HTML page or code into a print-ready PDF. - [JPG to PDF](https://clevertools.in/tool/jpg-to-pdf): Combine images into a single shareable PDF. - [Edit PDF](https://clevertools.in/tool/edit-pdf): Add text, shapes, and annotations to any PDF. - [Sign PDF](https://clevertools.in/tool/sign-pdf): Add digital, drawn, or typed signatures to PDFs. - [Watermark PDF](https://clevertools.in/tool/watermark): Stamp text or image watermarks on PDFs. - [Rotate PDF](https://clevertools.in/tool/rotate-pdf): Fix sideways or upside-down PDF pages. - [Reorder PDF Pages](https://clevertools.in/tool/reorder-pdf): Drag and drop to rearrange PDF pages. - [Crop PDF](https://clevertools.in/tool/crop-pdf): Trim margins and crop unwanted areas from PDF pages. - [Add Page Numbers to PDF](https://clevertools.in/tool/pdf-page-numbers): Insert page numbers with custom position and style. - [Flatten PDF](https://clevertools.in/tool/flatten-pdf): Lock form fields, comments, and annotations into a non-editable PDF. - [Redact PDF](https://clevertools.in/tool/redact-pdf): Permanently black out sensitive text in any PDF. - [OCR PDF](https://clevertools.in/tool/ocr-pdf): Extract searchable text from scanned PDFs and images. - [Aadhaar PDF Password Remover](https://clevertools.in/tool/aadhaar-password-remover): Unlock password-protected Aadhaar PDFs in-browser. ## Image Tools - [Compress Images](https://clevertools.in/tool/image-compressor): Shrink JPG, PNG, and WebP files without visible quality loss. - [Image Resizer](https://clevertools.in/tool/image-resizer): Resize images to exact dimensions for social, web, or print. - [Image to WebP](https://clevertools.in/tool/image-to-webp): Convert JPG and PNG to smaller, faster-loading WebP files. - [SVG to PNG](https://clevertools.in/tool/svg-to-png): Export SVGs to high-resolution PNGs. - [Background Remover](https://clevertools.in/tool/background-remover): Erase backgrounds to get clean, transparent PNGs. - [Color Picker from Image](https://clevertools.in/tool/color-picker-image): Grab exact hex, RGB, and HSL values from any pixel. - [Color Palette Generator](https://clevertools.in/tool/color-palette-generator): Build color palettes with hex, RGB, and HSL codes. - [Favicon Generator](https://clevertools.in/tool/favicon-generator): Create favicons in every size for browsers, iOS, and Android. - [Placeholder Image Generator](https://clevertools.in/tool/placeholder-image): Create custom placeholder images in any size and color. ## YouTube Creator Tools - [YouTube Thumbnail Downloader](https://clevertools.in/tool/youtube-thumbnail-downloader): Grab any YouTube video thumbnail in HD, with bulk mode and Shorts/Live support. - [YouTube Thumbnail Previewer](https://clevertools.in/tool/youtube-thumbnail-previewer): Preview thumbnails across home, search, sidebar, mobile, and Shorts surfaces. - [YouTube Thumbnail A/B Tester](https://clevertools.in/tool/youtube-thumbnail-ab-tester): Compare two thumbnails side by side across every YouTube surface. - [YouTube Embed Code Generator](https://clevertools.in/tool/youtube-embed-code-generator): Build iframe embed code with autoplay, mute, loop, and privacy toggles. - [YouTube Timestamp Link Generator](https://clevertools.in/tool/youtube-timestamp-link-generator): Create deep-link URLs with chapter timestamps. - [YouTube Character Counter](https://clevertools.in/tool/youtube-character-counter): Count title (100) and description (5000) characters with truncation previews. - [YouTube Hashtag Generator](https://clevertools.in/tool/youtube-hashtag-generator): Generate relevant hashtags for any video topic. - [YouTube Description Template](https://clevertools.in/tool/youtube-description-template): Build SEO-optimized descriptions with FTC-compliant affiliate disclosure. - [YouTube Channel ID Finder](https://clevertools.in/tool/youtube-channel-id-finder): Extract canonical UC-prefix channel IDs from any URL, @handle, or username. ## Data & Developer Tools - [JSON Formatter](https://clevertools.in/tool/json-formatter): Beautify, minify, and validate JSON with error detection. - [JSON to TypeScript](https://clevertools.in/tool/json-to-typescript): Generate TypeScript interfaces from JSON data. - [CSV to JSON](https://clevertools.in/tool/csv-to-json): Transform CSV spreadsheets into clean JSON for APIs. - [JSON / XML / CSV Converter](https://clevertools.in/tool/json-xml-csv-converter): Convert between JSON, XML, and CSV formats. - [Base64 Encoder/Decoder](https://clevertools.in/tool/base64-encoder): Convert text, files, and images to and from Base64. - [Hash Generator](https://clevertools.in/tool/hash-generator): Compute MD5, SHA-1, SHA-256, and SHA-512 hashes. - [JWT Decoder](https://clevertools.in/tool/jwt-decoder): Inspect JSON Web Tokens with header, payload, and signature breakdown. - [Regex Tester](https://clevertools.in/tool/regex-tester): Build, test, and debug regex patterns with live matches. - [Unix Timestamp Converter](https://clevertools.in/tool/unix-timestamp-converter): Translate Unix timestamps to readable dates across time zones. - [Cron Expression Generator](https://clevertools.in/tool/cron-generator): Build cron schedules with human-readable previews. - [CSS Gradient Generator](https://clevertools.in/tool/css-gradient-generator): Design linear and radial CSS gradients with copy-ready code. - [Markdown to HTML](https://clevertools.in/tool/markdown-to-html): Turn Markdown into clean HTML for blogs and docs. ## Finance & Tax Calculators (India) - [Income Tax Calculator (FY 2025-26)](https://clevertools.in/tool/income-tax-calculator): Estimate tax under old and new regimes with deductions. - [Advance Tax Calculator](https://clevertools.in/tool/advance-tax-calculator): Plan Section 211 quarterly instalments with 234C interest exposure check. - [Surcharge Calculator](https://clevertools.in/tool/surcharge-calculator): Income-tax surcharge with marginal relief across all bands (10/15/25/37%). - [Professional Tax Calculator](https://clevertools.in/tool/professional-tax-calculator): State-wise professional tax for Maharashtra, Karnataka, West Bengal, and 10+ other states. - [HRA Exemption Calculator](https://clevertools.in/tool/hra-calculator): Calculate HRA claim under Section 10(13A). - [80C Deductions Calculator](https://clevertools.in/tool/80c-deductions): Plan tax-saving investments under Section 80C up to ₹1.5 lakh. - [TDS Calculator](https://clevertools.in/tool/tds-calculator): Compute TDS on salary, rent, and professional fees under Indian tax rules. - [Capital Gains Calculator](https://clevertools.in/tool/capital-gains-calculator): Calculate STCG and LTCG on equity, debt MFs, real estate, gold, and unlisted shares. - [Gratuity Calculator](https://clevertools.in/tool/gratuity-calculator): End-of-service gratuity per the Payment of Gratuity Act 1972 with ₹20L/₹25L tax-free cap. - [Leave Encashment Calculator](https://clevertools.in/tool/leave-encashment-calculator): Calculate leave encashment with Section 10(10AA) tax exemption. - [EMI Calculator](https://clevertools.in/tool/emi-calculator): Plan home, car, and personal loan EMIs with full schedule. - [FD & RD Calculator](https://clevertools.in/tool/fd-rd-calculator): Plan fixed and recurring deposit maturity and interest. - [Loan Eligibility Calculator](https://clevertools.in/tool/loan-eligibility-calculator): Find the maximum loan amount you qualify for based on income. - [GST Invoice Generator](https://clevertools.in/tool/gst-invoice-generator): Create GST-compliant invoices with auto CGST, SGST, IGST. - [HSN & SAC Code Finder](https://clevertools.in/tool/hsn-code-finder): Search HSN and SAC codes for GST filing. - [IFSC Code Finder](https://clevertools.in/tool/ifsc-code-finder): Look up IFSC codes for any Indian bank branch. - [UPI QR Code Generator](https://clevertools.in/tool/upi-qr-generator): Create scannable UPI QR codes to accept payments. - [Salary Slip Generator](https://clevertools.in/tool/salary-slip-generator): Create India-ready salary slips with tax breakdown. - [Rent Receipt Generator](https://clevertools.in/tool/rent-receipt-generator): Create signed, HRA-ready rent receipts for tax filing. ## India-Specific Identity & Document Tools - [Aadhaar & PAN Card Masker](https://clevertools.in/tool/aadhaar-masker): Hide sensitive Aadhaar and PAN digits before sharing documents. - [PAN Card Form Filler](https://clevertools.in/tool/pan-form-filler): Auto-fill the PAN card application (Form 49A/49AA). - [Aadhaar PDF Password Remover](https://clevertools.in/tool/aadhaar-password-remover): Unlock password-protected Aadhaar PDFs. - [Indian Resume Builder](https://clevertools.in/tool/resume-builder): Build an ATS-friendly resume tailored for Indian job markets. - [CGPA to Percentage](https://clevertools.in/tool/cgpa-to-percentage): Convert CGPA to percentage for Indian university applications. ## Productivity & Utility Tools - [Password Generator](https://clevertools.in/tool/password-generator): Create strong random passwords with custom rules. - [QR Code Generator](https://clevertools.in/tool/qr-code-generator): Create QR codes for links, text, Wi-Fi, and contacts. - [Word Counter & Text Analyzer](https://clevertools.in/tool/word-counter): Get word, character, sentence, and reading-time stats. - [Text Diff Checker](https://clevertools.in/tool/text-diff-checker): Spot every change between two text blocks side by side. - [Random Text Generator](https://clevertools.in/tool/random-text-generator): Create lorem ipsum and dummy text for design mockups. - [Email Extractor](https://clevertools.in/tool/email-extractor): Pull every valid email address from any text into a clean list. - [Age Calculator](https://clevertools.in/tool/age-calculator): Calculate exact age in years, months, days, hours, and minutes. - [Percentage Calculator](https://clevertools.in/tool/percentage-calculator): Solve percentage increase, decrease, and share problems. - [Time Zone Scheduler](https://clevertools.in/tool/time-zone-scheduler): Find the best meeting time across multiple time zones. - [Meeting Cost Calculator](https://clevertools.in/tool/meeting-cost-calculator): See real-time meeting cost based on attendees and salaries. - [WhatsApp Direct Message](https://clevertools.in/tool/whatsapp-direct): Chat on WhatsApp without saving the contact in your phone. - [WhatsApp Bulk Message Formatter](https://clevertools.in/tool/whatsapp-formatter): Format WhatsApp messages with bold, italic, and emoji styles. ## Site Resources - [All Tools](https://clevertools.in/tool/all-tools): Full searchable directory of every tool. - [Blog](https://clevertools.in/blog): How-to guides on PDF compression, GST invoicing, tax calculations, and more. - [About](https://clevertools.in/about): What CleverTools is and how the privacy-first model works. - [Privacy Policy](https://clevertools.in/privacy): Why nothing is uploaded to servers and how data stays on-device. ## Optional - [Sitemap (XML)](https://clevertools.in/sitemap.xml): Full machine-readable URL index. - [Robots.txt](https://clevertools.in/robots.txt): Crawl directives for search engines.