Useful browser tools for websites, ecommerce, SEO and digital operations.
Use practical utilities for image optimisation, metadata, structured data, accessibility, ecommerce calculations and customer links. No account is required.
Choose a tool and use it immediately.
Core calculations and text transformations run in your browser. Kailvex does not receive tool inputs unless you separately submit a contact form.
Image Compressor & WebP Converter
Compress, resize and convert website or product images locally in your browser.
Open free toolSEO Title & Meta Preview
Preview page titles, URLs and descriptions before publishing.
Open free toolOpen Graph & Social Meta Generator
Generate Open Graph and social-sharing meta tags with a clean preview.
Open free toolOrganization & Service Schema Generator
Create a starting JSON-LD block for an organisation or service page.
Open free toolRobots.txt Generator
Build a simple robots.txt file and include the XML sitemap location.
Open free toolSEO URL Slug Generator
Turn a page heading into a clean lowercase URL slug.
Open free toolColour Contrast Checker
Check text and background contrast ratios for accessible interfaces.
Open free toolJSON Formatter & Validator
Validate, format or minify JSON directly in the browser.
Open free toolEcommerce Platform Selector
Compare WordPress/WooCommerce, Shopify and custom code against your needs.
Open free toolWhatsApp Link Generator
Create a click-to-chat link with a prefilled customer message.
Open free toolUTM Campaign URL Builder
Build campaign-tracking URLs for analytics and marketing links.
Open free toolProduct Pricing & Profit Margin Calculator
Estimate selling price, costs and target product margin.
Open free toolGST Inclusive & Exclusive Calculator
Calculate taxable value, GST amount and total for quick estimates.
Open free toolCOD & RTO Loss Calculator
Estimate delivered-order contribution and return-to-origin losses.
Open free toolWhatsApp Order Message Generator
Create a structured customer order message for WhatsApp.
Open free toolEcommerce Shipping Charge Planner
Estimate customer shipping charges using operational assumptions.
Open free toolUseful outputs without hidden data collection.
Browser-side processing
Tool inputs are designed to stay on your device. Contact-form data is handled separately under the privacy policy.
No guaranteed outcomes
Previews and calculations are estimates. Search, tax, financial, courier and business outcomes must be independently verified.
Keyboard-friendly interfaces
Tools use labelled form controls, readable contrast and responsive layouts intended for common devices.
No executable uploads
Image processing uses browser canvas. The tools do not ask users to upload server-side code, credentials or confidential files.
Free tools are provided for general informational and productivity purposes. They do not replace legal, tax, accounting, accessibility, security, SEO, platform or professional advice. Review outputs before using them in production.
What to know before using the tools.
The listed tools are designed to process inputs inside the browser. Kailvex does not receive those inputs unless you separately submit an enquiry or use an external service opened from a generated link.
No. Results are estimates or starting templates and must be reviewed for the specific business, jurisdiction, platform and production environment.
You may use generated outputs for your own work, subject to third-party platform rules and independent verification. The Kailvex site design, source code and brand assets remain protected.
Yes. Kailvex can scope a custom calculator, dashboard, ecommerce workflow or internal software tool after confirming requirements, data handling and integrations.