Essential Tools for Modern Builders

Specialized micro-tools designed for everyone building digital products. Whether you're coding by hand, prompting AI, or using no-code platforms - these tools handle the technical details so you can focus on creating.

Built for Every Type of Builder

47M+

Professional Developers

Speed up daily tasks

15M+

AI-Powered Builders

ChatGPT & Claude users

10M+

No-Code Creators

Bubble, Webflow, Zapier

⚡

Instant Results

No setup, no learning curve - just open and use

🤖

AI-Ready

Perfect for ChatGPT prompts and AI workflows

📱

Works Everywhere

Mobile-responsive, offline-capable tools

29 tools found

25 available

4 coming soon

Browse by Category

Find tools organized by use case and functionality

Data Processing & Conversion

8+1

Design & Layout Tools

Development Utilities

Content & Documentation

Automation & Productivity

3+2

Performance & Analysis

0+1

All Tools

Complete overview of all available tools organized by category

Data Processing & Conversion

Transform and process data between formats

URL Parameter ↔ JSON Converter

Available Now

Convert between URL parameters and JSON format instantly. Extract query strings to JSON or build URLs from JSON objects. Perfect for API testing, AI prompts, automation workflows, and web development.

AI Builders: Feed website URLs to ChatGPT/Claude for structured analysis

No-Code: Convert form URLs to JSON for Zapier/Make integrations

JSON Repair Tool

Available Now

Fix broken or malformed JSON from AI models, APIs, and data sources. Automatically repair syntax errors, missing quotes, and formatting issues.

AI Builders: Clean up ChatGPT/Claude JSON outputs with syntax errors or trailing commas

No-Code: Fix JSON data before importing into no-code databases and workflows

Data Format Converter

Available Now

Convert between JSON, CSV, and XML formats instantly. Handle all combinations with smart data structure preservation and validation.

AI Builders: Transform datasets between formats for AI training and API integration

No-Code: Convert data between platforms - CSV to JSON for webhooks, XML feeds to structured data

API Response Inspector & Formatter

Available Now

Transform messy API responses into clean, analyzable formats with syntax highlighting, TypeScript interface generation, and comprehensive analysis tools.

AI Builders: Transform API responses for ChatGPT/Claude prompts and validate AI-generated API integrations

No-Code: Analyze webhook payloads and understand API structure for Zapier, Bubble integrations

CSV to Markdown Table Converter

Available Now

Convert CSV data to GitHub-ready markdown tables instantly. Smart delimiter detection, custom alignment, export to HTML/JSON. Perfect for developers and documentation.

AI Builders: Transform ChatGPT/Claude tabular outputs into properly formatted markdown for wikis and documentation

No-Code: Convert Excel/Google Sheets data to markdown tables for blogs, wikis, and content management

SQL Formatter

Available Now

Format, validate, and beautify SQL queries with syntax highlighting and multi-dialect support. Clean up messy SQL from AI models, databases, and legacy systems with support for MySQL, PostgreSQL, SQLite, and SQL Server.

AI Builders: Polish SQL generated by ChatGPT, Claude, or Copilot with proper formatting and validation

No-Code: Clean up database queries for documentation and standardize SQL formatting across teams

Text Case Converter

Available Now

Convert text between camelCase, snake_case, PascalCase, kebab-case and 10+ naming conventions instantly. Perfect for cross-platform development.

AI Builders: Convert ChatGPT/Claude outputs to match your project's naming conventions

No-Code: Convert field names between Bubble, Webflow, Zapier, and other platforms

JSON Formatter

Available Now

Minify or beautify JSON with real-time formatting, size comparison, and multiple copy options. Perfect for API optimization and data processing.

AI Builders: Format AI model outputs, optimize JSON for ChatGPT/Claude prompts, and prepare structured data for analysis

No-Code: Optimize JSON files for web performance, format configuration data, and reduce API payload sizes

YAML ↔ JSON ↔ Markdown Converter

Coming Soon

Seamless format conversion between YAML, JSON, and Markdown. Essential for prompt libraries and configuration management.

AI Builders: Perfect for LangChain workflows and prompt template organization

No-Code: Convert config files for different automation platforms

Design & Layout Tools

Visual design utilities and layout generators

CSS Unit Calculator

Available Now

Convert between px, rem, em, vw, vh with live preview and responsive breakpoints. No CSS knowledge required.

AI Builders: Perfect when AI gives you CSS code but you need different units

No-Code: Convert design system values for Webflow, Framer, or Figma

Flexbox CSS Generator

Available Now

Generate CSS flexbox properties with visual preview and copy-paste code. Great for layout debugging.

AI Builders: Validate and adjust AI-generated flexbox layouts

No-Code: Create custom CSS for advanced Bubble or Webflow layouts

CSS Grid Generator

Available Now

Generate CSS Grid layouts with visual editor and live preview. Create complex grid systems with drag-and-drop ease.

AI Builders: Build and validate CSS Grid layouts from AI design suggestions

No-Code: Create advanced grid layouts for Webflow, Framer, and custom CSS

Color Palette Generator

Available Now

Generate harmonious color palettes from any base color with instant accessibility validation. Choose from complementary, triadic, analogous, and monochromatic harmony types. Export in CSS, JSON, Tailwind, and Sass formats.

AI Builders: Create color schemes for AI-generated websites, branding projects, and design prompts

No-Code: Generate brand colors for Webflow, Bubble, and Figma design systems

Unit Converter

Available Now

Convert between measurements instantly across length, weight, temperature, area, and volume units. Real-time calculations with high precision for developers, designers, and technical projects.

AI Builders: Convert AI-generated design specifications from one unit system to another for precise implementation

No-Code: Handle measurement conversions for responsive design, platform requirements, and design system implementations

Lorem Ipsum Generator

Available Now

Generate customizable placeholder text with different styles, lengths, and formats. Perfect for mockups, designs, and content layouts.

AI Builders: Generate placeholder content for AI design prompts and UI mockups

No-Code: Create sample text for Webflow, Bubble, and Framer prototypes

Development Utilities

Essential utilities for secure development

UUID Generator

Available Now

Generate UUID v4 unique identifiers instantly. Perfect for database records, API keys, session tokens, and any system requiring unique identifiers.

AI Builders: Generate unique identifiers for AI workflows, training data, model versions, and conversation tracking

No-Code: Create unique references for Bubble apps, Webflow CMS, Zapier workflows, and Airtable records

Hash & Encoding Toolkit

Available Now

Generate MD5, SHA-256, Base64 encoding, and JWT token decoding. Client-side processing for security.

AI Builders: Secure data processing for AI workflows and API integrations

No-Code: Generate secure tokens and encode data for automation workflows

Regex Builder & Tester

Available Now

Build regular expressions with visual components, test with multiple strings, and get plain English explanations.

AI Builders: Create patterns for data validation and text processing in AI workflows

No-Code: Build validation rules for forms and data processing without coding

Password Generator

Available Now

Generate cryptographically secure passwords and passphrases with customizable length, character sets, and strength options.

AI Builders: Create secure credentials for AI projects, services, and integrations

No-Code: Generate secure passwords for Bubble, Webflow, Zapier, and no-code platform accounts

cURL Request Generator

Available Now

Build API requests visually and export to cURL, JavaScript fetch, Python requests, and automation platforms like n8n, Zapier, and Make.com. Perfect for developers, AI builders, and no-code creators.

AI Builders: Create API requests for ChatGPT workflows, then export directly to automation platforms like n8n, Zapier, and Make.com

No-Code: Design API calls visually without coding, then export configurations for Bubble, Webflow, and automation platforms

Content & Documentation

Generate and analyze content for projects

Markdown Table Generator

Available Now

Create professional markdown tables with visual drag-and-drop editing, real-time preview, and multi-format export. Perfect for developers building documentation, AI builders formatting content, and no-code creators managing data tables.

AI Builders: Convert AI-generated tabular data from ChatGPT/Claude into properly formatted markdown tables

No-Code: Build data tables for project wikis, team documentation, and knowledge bases without coding markdown syntax

Text Statistics Calculator

Available Now

Analyze text with detailed statistics including word count, character count, reading time, and character frequency. Perfect for content creators, developers, and AI builders who need accurate text metrics.

AI Builders: Estimate tokens for AI prompts, analyze generated content quality, and optimize prompt length for model limits

No-Code: Check character limits for social media automation, content management systems, and marketing campaigns

Fake Data Generator

Available Now

Generate realistic fake data including names, emails, addresses, phone numbers, and company information. Export as JSON, CSV, or SQL INSERT statements for testing and development.

AI Builders: Create training datasets for AI models or sample data for prompt testing and AI workflow development

No-Code: Populate Bubble apps, Webflow CMS, and automation platforms with realistic test data for prototyping

Automation & Productivity

Automate workflows and boost productivity

Cron Expression Generator

Available Now

Generate cron expressions with visual builder, real-time preview, and plain English explanations. Perfect for scheduling tasks, automation workflows, and DevOps scripts with multiple export formats.

AI Builders: Schedule AI model training, data processing workflows, and automated report generation with precise timing

No-Code: Create recurring workflows in Zapier, n8n, Make.com without learning complex cron syntax

QR Code Generator

Available Now

Generate QR codes instantly for URLs, WiFi credentials, contact information, and plain text. Export as PNG or SVG with customizable sizes.

AI Builders: Create QR codes for AI workflow sharing, prompt libraries, ChatGPT conversations, and tool collections

No-Code: Generate QR codes for marketing campaigns, event check-ins, WiFi sharing, and landing page promotion

Sprint Capacity Calculator

Coming Soon

Calculate team capacity for agile sprints with vacation time, meetings, and development approach (coding vs prompting).

AI Builders: Plan AI-assisted development sprints and prompting time

No-Code: Estimate timeline for no-code app development projects

Timezone Converter

Available Now

Convert times between different timezones with meeting planner and UTC conversion. Perfect for scheduling across global teams.

AI Builders: Schedule AI model training, convert ChatGPT timestamps, and plan automated workflows across timezones

No-Code: Schedule Zapier automations, plan social media posts, and coordinate team meetings across time zones

Technical Debt Cost Estimator

Coming Soon

Estimate the real cost of technical debt on your development velocity and team productivity.

AI Builders: Evaluate when to refactor vs rebuild with AI assistance

No-Code: Assess when to migrate between no-code platforms

Performance & Analysis

Analyze and optimize application performance

Performance Audit Dashboard

Coming Soon

Analyze Core Web Vitals, bundle sizes, and get optimization recommendations with Lighthouse integration.

AI Builders: Optimize AI-generated websites and applications for better performance

No-Code: Audit no-code app performance and get actionable improvement suggestions

🚀 Building the Future of Productivity Tools

We're creating essential micro-tools for the 70+ million people building digital products worldwide. Whether you're prompting AI, writing code, or using no-code platforms - we're solving the small frictions that add up to hours of lost productivity.

What's Coming Next:

Prompt Formatter & Debugger
Advanced CSS & Design Tools
Embedding Playground & Vector Store
Project Planning Calculators

Why BuilderTools.dev?

Zero setup - works instantly
Built for all skill levels
AI workflow optimized
Mobile-responsive design
25 tools available, more weekly

Have an idea for a tool that would save you time? We're always looking for the next productivity pain point to solve. Whether you're building with AI, code, or no-code tools - let us handle the technical calculations so you can focus on creating.

Frequently Asked Questions

What types of tools does BuilderTools.dev offer?

We provide specialized micro-tools for data conversion, AI development, CSS calculations, API cost estimation, and project planning. All tools are designed to work seamlessly with modern development workflows including AI-assisted building and no-code platforms.

Are BuilderTools.dev tools free to use?

Yes! All our basic tools are completely free with no registration required. We're building premium features for power users, but our core mission is providing essential utilities that every builder can access instantly.

How do these tools help with AI-assisted development?

Our tools are optimized for AI workflows. Convert data to AI-friendly formats, estimate API costs before building, validate AI outputs, and handle technical calculations while you focus on prompting and creating.

Can I integrate BuilderTools with my existing workflow?

Absolutely! Our tools work great with ChatGPT, Claude, Zapier, Make, Bubble, Webflow, and traditional development environments. Copy-paste results anywhere or use our upcoming API for programmatic access.