ztabs.digital services

Free Developer & Business Tools

Free AI-powered tools to help you plan, estimate, and optimize your digital projects. No signup required.

Website Cost Calculator

Estimate the cost of your website or web application project with our interactive calculator.

Marketing Plan Generator

Generate comprehensive marketing plans tailored to your business needs.

On-Page SEO Checker

Analyze and optimize your website's on-page SEO with detailed recommendations.

Tech Stack Recommender

Answer 3 questions about your project and get expert technology recommendations for frontend, backend, database, and hosting.

Free Invoice Generator

Create professional invoices instantly. Add line items, tax, and download as PDF. No signup required.

Marketing ROI Calculator

Calculate the return on investment for your marketing campaigns. See projected revenue, break-even point, and ROI.

SaaS Pricing Calculator

Model your SaaS pricing strategy. Calculate MRR, ARR, LTV, CAC ratio, gross margin, and get suggested pricing tiers.

App Cost Calculator

Estimate mobile app development cost based on platform, features, complexity, and design level.

Color Palette Generator

Generate complementary, analogous, triadic, and split-complementary color palettes from any base color.

Business Name Generator

Generate 20+ creative business name ideas based on your industry, keywords, and style preference.

Privacy Policy Generator

Generate a complete privacy policy for your website. Covers GDPR, CCPA, cookies, and third-party services.

Wireframe Generator

Generate visual wireframe layouts for landing pages, dashboards, pricing pages, and more.

Schema Markup Generator

Generate valid JSON-LD structured data for Organization, Article, Product, FAQ, and more schema types.

JSON Formatter & Validator

Format, minify, and validate JSON. Pretty print with 2-space indent, check syntax, and see stats.

QR Code Generator

Create custom QR codes for URLs, text, or contacts. Choose size and colors, download as PNG.

Password Generator

Generate strong, secure passwords with customizable length, character types, and entropy display.

Lorem Ipsum Generator

Generate placeholder text by paragraphs, sentences, or words. Perfect for design mockups.

Word Counter

Count words, characters, sentences, and paragraphs. See reading time and keyword density.

Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 strings. Handles UTF-8 with error detection.

Favicon Generator

Create favicons from text. Pick colors, font, shape. Download PNG and copy HTML link tags.

Sitemap Generator

Create XML sitemaps. Add URLs individually or in bulk. Validate, download sitemap.xml.

SVG to PNG Converter

Convert SVG to PNG in browser. Paste SVG, set scale and background, download PNG.

Tailwind CSS Playground

Test Tailwind classes. Map utilities to inline styles. Preview on button, card, badge.

Terms of Service Generator

Generate a complete Terms of Service document with sections for user accounts, payments, UGC, and third-party services.

CSS Gradient Generator

Create linear, radial, and conic CSS gradients. Add color stops, live preview, copy CSS with -webkit prefix.

UUID Generator

Generate UUID v4 identifiers. Single or bulk generation, validate UUIDs, toggle uppercase and hyphens.

Meta Tag Generator

Create SEO meta tags: title, description, Open Graph, Twitter Card. Character counts for title and description.

robots.txt Generator

Create a robots.txt file for your website. Configure user-agents, allow/disallow paths, and sitemap URL.

Contrast Checker

Check color contrast ratios for WCAG accessibility. Verify AA and AAA compliance for normal and large text.

Cron Expression Generator

Build cron expressions for scheduled jobs. Presets, visual builder, human-readable output, and next execution times.

Markdown Editor

Edit Markdown with live preview. Bold, italic, headings, links, code blocks. Copy Markdown or HTML.

JWT Decoder

Decode JWT tokens. View header and payload as formatted JSON, check expiration, copy decoded parts.

URL Encoder & Decoder

Encode and decode URLs using encodeURIComponent/decodeURIComponent. Copy, swap, clear.

Hash Generator

Generate SHA-1, SHA-256, SHA-384, SHA-512 hashes. Web Crypto API. Copy individual hashes, uppercase toggle.

Diff Checker

Compare two texts line by line. See added, removed, modified. Stats, swap, clear.

SQL Formatter

Format and beautify SQL. Uppercase keywords, newlines, indentation. Minify option, copy.

HTML to Markdown Converter

Convert HTML to Markdown. Supports headings, links, images, lists, code blocks, and blockquotes.

Emoji Picker

Browse 200+ emojis by category. Search by name, click to copy. Recently copied emojis.

Unix Timestamp Converter

Convert Unix timestamps to dates (UTC, local, ISO 8601, RFC 2822). Convert dates to timestamps. Live current timestamp.

HTTP Status Codes Reference

Complete reference of HTTP status codes. Search by code or description. 1xx, 2xx, 3xx, 4xx, 5xx.

Regex Tester

Test regular expressions. Toggle flags (g, i, m, s), highlight matches, see groups. Quick-insert common patterns.

Why We Built These Free Tools

We built these tools to help business owners, marketers, and developers make better decisions faster. Whether you are estimating the cost of a new website, planning a marketing campaign, or generating technical documentation, our tools provide instant, actionable insights without requiring a signup or credit card.

Planning & Estimation Tools

Our Website Cost Calculator and App Cost Calculator help you budget accurately before starting a project. The SaaS Pricing Calculator models your subscription business metrics including MRR, ARR, and LTV to help you set the right price point. And the Tech Stack Recommender helps you choose the right technologies for your project based on your specific requirements.

Marketing & SEO Tools

The Marketing Plan Generator creates comprehensive marketing strategies tailored to your industry and budget. Use the On-Page SEO Checker to audit your pages for search engine optimization issues. The Marketing ROI Calculator helps you measure the return on your marketing investment across different channels.

Design & Development Tools

Jumpstart your design process with the Color Palette Generator, QR Code Generator, and Wireframe Generator. Use the Schema Markup Generator to create valid JSON-LD structured data for better search engine visibility. Format and validate JSON with our JSON Formatter & Validator. The Invoice Generator creates professional PDF invoices instantly.

Business Essentials

Starting a new venture? The Business Name Generator creates creative name ideas based on your industry. The Privacy Policy Generator helps you create GDPR and CCPA compliant policies for your website. These tools save hours of work and help you launch faster.

Need Custom Solutions?

These tools give you a starting point, but every business is unique. If you need a custom web application, mobile app, or digital marketing strategy tailored to your specific needs, our team is here to help. Get in touch for a free consultation.