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CodeByDT DEV TOOLS
25+ Free Online Tools • Privacy-First & Zero Sign-Up

Fast & Powerful Online Tools for Everyone

Discover a suite of ultra-fast online utilities. Word counters, code generators, image converters, calculators, and more. No sign-up required, just pure utility.

Trending: JSON Formatter Resume Builder Image to PDF SQL Builder Startup Calculator
Developer & Code Tools Media & Image Tools Text & Content Tools Finance & Calculators Security & Privacy
Curated Utilities

Featured Online Tools

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Developer Favorite

JSON Formatter & Validator

Beautify, validate, parse, and minify JSON data with instant syntax tree error detection. 100% private and runs in your browser.

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Careers

Free Customizable Resume & CV Builder

Build an ATS-friendly, professional resume in 5 minutes. Multiple templates, accent palettes, live A4 preview, and instant PDF download.

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Client-Side

Image to PDF Converter Online Free

Convert JPG, PNG, and WebP photos into high-resolution PDF documents with page reordering, margin controls, and zero cloud uploads.

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Visual SQL

Interactive Visual SQL Query Builder

Build complex SQL SELECT, JOIN, WHERE, and Aggregation queries visually without coding. Includes live mock data preview.

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Finance

Business Startup Cost & Runway Calculator

Calculate startup capital requirements accurately. Estimate one-time setup expenses, monthly burn rate, runway capital, and contingency reserves.

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Social Media

Social Media Image Resizer & Cropper

Resize and crop photos for Instagram Posts, Stories, YouTube Thumbnails, Facebook Banners, Twitter, and LinkedIn with official presets.

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Categories

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Developer & Code Tools

Formatters, generators, SQL builders, and dev utilities.

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Media & Image Tools

Image conversion, compression, favicon creation, and resizers.

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Text & Content Tools

Word counters, markdown tools, text diff, and regex engines.

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Finance & Calculators

Startup cost estimation, EMI, business calculations.

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Security & Privacy

Hash generators, base64 enc/decoders, password utilities.

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Need a New Tool?

Have an idea for a tool that would make your work easier? Suggest it and our team will build it!

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Knowledge Base

Latest Guides & Tech Insights

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Client Demos & Templates

High-Converting Landing Pages

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Restaurants & Food Royal Heritage

Royal Spice Villa — Heritage Indian Dining & Lounge

Luxury heritage Awadhi dining layout with Royal Emerald & Antique Gold aesthetic, 5-course degustation menu, and interactive VIP seating zone table reservations.

#VIP Seating Zones #5-Course Tasting #Heritage Royal UI #Dual Theme
Live Demo
Restaurants & Food Artisan Roastery

The Daily Roast — Artisan Cafe & Roastery Bistro

Scandinavian terracotta & matcha coffeehouse layout featuring single-origin roast profiles, live interactive takeaway cart, 5% cafe billing, and pickup token system.

#Live Cart Drawer #GST Billing Engine #Pickup Token #CR #Scandinavian UI
Live Demo
Restaurants & Food Retro Diner

FlameGrill Burger Co. — Fast Food & Smash Shack

High-voltage retro diner theme with live "Build Your Own Smash Burger" pricing engine, loaded toppings, 6-digit delivery pincode checker, and midnight deals.

#Burger Price Builder #Pincode Checker #20% Midnight Deal #Retro Diner UI
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Core Benefits

Why Use CodeByDT?

100% Privacy-First

Your text, images, and files never leave your device. All utilities process directly in your browser with zero server data retention.

Sub-50ms Execution

Zero server queues or wait times. Lightweight client-side execution ensures your tools respond instantaneously.

No Sign-Up or Paywall

No credit card, no email registration, and no limits. Direct access to all tools whenever you need them.

Help & Answers

Frequently Asked Questions

Everything you need to know about CodeByDT utilities, privacy, and performance.

Are all online tools on CodeByDT completely free?

Yes, 100% free with unlimited usage. There are no paid tiers, no subscription paywalls, and no hidden trial periods. You can use any tool as many times as you need.

Is my data private and secure when uploading files or text?

Absolutely. All image compression, JSON formatting, SQL generation, and resume creation happen 100% client-side directly inside your web browser. Your photos, files, and proprietary data are never uploaded or stored on any external server.

Do I need to sign up or create an account?

No account or registration is required. You can bookmark any tool and start working immediately without ever giving us your email address or personal credentials.

Are the tools mobile-friendly?

Yes! Every utility is fully responsive, touch-optimized, and verified on iOS Safari, Android Chrome, iPad/tablets, and desktop screens for a seamless experience on any device.

Can I request a custom tool or feature?

Yes! If there is a repetitive task you wish had an automated tool, click on our Contact page and let us know. We actively develop community-requested utilities!

Community & Open Utilities

Missing a tool you use every day?

Tell us what utility you need. We build clean, high-performance browser tools for developers and creators.

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