Rajlabs Tools & Utilities — 148+ Free Online Tools

148+ free, fast, privacy-friendly online tools: QR & UPI, PDF editor/compress to exact KB, image resizer for SSC/UPSC/NEET, EMI/SIP/GST/income tax (FY 2025-26), JSON, Base64 & more — 100% in your browser, no uploads.

All tools run 100% in your browser — no uploads, no tracking, no paywalls. Use the same tools on utility.rajlabs.in, tools.rajlabs.in and utils.rajlabs.in. Categories include PDF (merge, split, compress to exact KB, protect, unlock, image to PDF), Photo (passport grid, image resizer to exact KB for SSC/UPSC/NEET, signature resizer, background remover), Text (sanitize, formatter, lorem, markdown, diff), Calculators (EMI, GST, SIP/PPF, income tax FY 2025-26 old vs new, HRA, age, mortgage, BMI, salary take-home, scientific), QR & UPI (QR generator, UPI QR, WhatsApp QR, scanner, MCC 981 explorer), JSON & Dev (viewer, diff, csv/xml/yaml, regex, uuid, jwt, hash, url lab, code formatter, cron, chmod, CIDR) and more. Each tool has a shareable URL (?param=value), copy buttons and offline support.

Why Rajlabs?

• Privacy-first: files never leave your device — PDF, image and PII masking use canvas, pdf-lib and WASM in the browser.
• Fast and free: no signup, no watermark, install any tool as a standalone PWA.
• Built for India: IFSC/PIN finder, area (bigha/gaj), number-to-words (crore/lakh), GST, HRA, UPI MCC 981 codes.

Popular Tools

Try PDF Editor & Signer, Image Resizer to Exact KB for SSC/UPSC/IBPS forms, Passport Photo Grid, QR Code Generator, UPI Inspector, JSON Viewer, EMI & SIP Calculators, Percentage & Unit Converters, and PII Masker. Browse categories on the homepage — every tool is one tap away.

How to use any tool

1. Pick a tool from the homepage categories or search.
2. Enter data — results update live with validation and presets.
3. Copy, download or share via URL. Install as PWA for one-tap access offline.

All pages have unique titles and descriptions, a single H1, and 300+ words of static fallback so Bing and other crawlers see complete content even without JavaScript. Submit updates via IndexNow and sitemaps at /sitemap.xml, /sitemap-tools.xml and /sitemap-utils.xml.

Open Rajlabs Tools — bookmark your favourite and add it to your home screen as an app.

Static fallback for crawlers without JavaScript — the interactive app loads when JavaScript is enabled.