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Krypton's Tools Free
100% Free & Client-Side Processing

Everyday Web Tools, Fast, Simple & Private.

A curated suite of lightweight web utilities designed for speed and privacy. No sign-ups, no tracking cookies, and your data never leaves your device.

63 बायोडेटा तयार झाले
29 QR Codes Created
100% Client-Side Privacy
7 Specialized Tools

Available Online Tools

7 tools available

Free QR Code Generator with Logo
GeneratorsPopular
29 Created

Free QR Code Generator with Logo

High-res QR codes with custom logo & colors

Generate high-resolution custom QR codes for URLs, contact cards (vCard), plain text, email, or SMS. Download in SVG, PNG, WEBP, or JPEG with your brand logo.

#qr #generator #logo #vcard
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Marathi Marriage Biodata Maker
DocumentsFree PDF
63 तयार झाले

Marathi Marriage Biodata Maker

मराठी लग्न बायोडेटा मेकर

Easily format, preview, and generate professional Marathi marriage biodata (बायोडेटा) cards with photo upload and 1-click high-resolution PDF download.

#biodata #marathi #marriage #बायोडेटा
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WebMCP Verifier & Validator
UtilitiesNew
SSE & stdio verified

WebMCP Verifier & Validator

Test & debug MCP SSE endpoints online

Validate Model Context Protocol (MCP) SSE endpoints, inspect discovered tools and JSON schemas, and monitor live JSON-RPC 2.0 traffic.

#mcp #webmcp #validator #verifier
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PDF Image Extractor
DocumentsNew
100% Private ZIP

PDF Image Extractor

Extract embedded images & photos from PDF

Extract all high-resolution embedded photos, scans, and raster graphics directly from any PDF file. 100% private in-browser processing with 1-click ZIP download.

#pdf #image extractor #extract images from pdf #rip pdf images
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Resistor Color Code Calculator
Utilities
3-6 Band & SMD

Resistor Color Code Calculator

3, 4, 5, 6 Band & SMD Resistor Decoder

Calculate resistance from color bands, reverse calculate color bands from ohms, and decode SMD resistor codes with commercial E12/E24 decade series matching.

#resistor #electronics #color code #resistor calculator
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Marathi Number & Date Converter
GeneratorsNew
०-९ & Cheque Legal

Marathi Number & Date Converter

Number to Words (अक्षरी संख्या) & Wedding Date Formatter

Convert numbers to authentic Marathi words (अक्षरी संख्या), Devanagari numerals, bank cheque formats, and wedding date phrasing for biodatas.

#marathi numbers #number to words #marathi akshari sankhya #devanagari digits
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JSON-LD Schema Generator
UtilitiesNew
Rich Results Valid

JSON-LD Schema Generator

Google Rich Results & Schema.org Builder

Create valid Schema.org JSON-LD markup for FAQPage, HowTo, SoftwareApplication, and Article. Boost search visibility with live syntax validation.

#schema generator #json ld #structured data #rich snippets
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More Tools Coming Soon

We are continuously building high-utility tools for creators and developers. Have a tool request? Drop us your feedback.

Why Use Krypton's Tools?

Designed from the ground up for maximum privacy, speed, and clean user experience.

100% Private

All computations, QR rendering, and PDF generation happen purely inside your web browser. Zero server data storage.

Lightning Fast

Lightweight client scripts provide real-time instant previews as you type without waiting for round-trip server responses.

Free Forever

No subscriptions, hidden credit limits, or watermarks. All output files are exported at maximum resolution.

Mobile Responsive

Seamlessly craft QR codes or generate biodatas directly on your phone, tablet, or desktop with responsive split workbenches.

User Reviews

Loved by Creators & Families

Genuine feedback from people using our free tools across Maharashtra and beyond.

बायोडेटा

"मराठी विवाह बायोडेटा बनवण्यासाठी अप्रतिम टूल आहे. राजेशाही साचा आणि देवक चिन्ह खूप सुंदर दिसतात, A4 PDF लगेच तयार झाली!"

QR Code

"Clean vector SVG export for our wedding invitation card with custom logo in center. Scans smoothly without any lag."

बायोडेटा

"सगळ्यात सोपे आणि मोफत बायोडेटा मेकर. मोबाईलवर ५ मिनिटांत सर्व माहिती भरून WhatsApp वर नातेवाईकांना शेअर करता आले."

बायोडेटा

"काष्ठ नक्षी हेरिटेज डिझाईन खूपच देखणी आहे. फोटो जोडण्याची सोय आणि मराठी फॉन्ट एकदम सुबक येतात."

QR Code

"Zero ads, no mandatory sign-ups, and 100% private. Best free QR code generator with logo support available online."

What's New

Full changelog
v1.16.0 Latest

URL-Driven Resistor Calculator Tabs & Direct SMD Decoder Deep Linking

  • URL-Driven Resistor Calculator Navigation — All resistor calculator tabs (4-Band, 5-Band, 6-Band, 3-Band, Reverse Ohms Lookup, and SMD Decoder) are now fully state-synced with URL queries (`?tab=...`), enabling direct bookmarking and shareable links.
  • Direct SMD Calculator Landing — Searching for "smd" or "smd calculator" on the homepage or via direct URL routing now automatically opens and focuses directly on the SMD Code Decoder tab.
  • Enhanced Search & Multi-Term Matching — Multi-word queries in the main tools search catalog now intelligently match specialized tool features, aliases, and decade series decoders.
See all releases →

Frequently Asked Questions

Everything you need to know about this tool

Yes, 100%. All tools, including the QR Code Generator with Logo and Marathi Marriage Biodata Maker, are completely free to use with no hidden fees, subscriptions, or watermarks.

No. All generators run entirely client-side inside your web browser. Your inputs, uploaded logos, and generated documents are processed in memory on your device and are never sent to or stored on external servers.

Absolutely. Every tool is crafted with responsive mobile design in mind. You can generate custom QR codes or create and download Marathi biodata PDFs straight from your smartphone or tablet.

We are actively expanding our catalog! You can use the contact form below to send us a feature request, tool idea, or feedback anytime.