Site Map
Every tool and page on DevBiz Tools Hub, in one place.
Developer Tools (28)
- JSON Formatter
- QR Code Generator
- Color Picker / Gradient Generator
- Base64 Encoder / Decoder
- JWT Decoder
- UUID Generator
- CSS Gradient Generator
- Lorem Ipsum Generator
- HTML / CSS / JS Minifier
- Timestamp Converter
- HTML Entity Encoder / Decoder
- Cron Expression Generator & Parser
- Hash Generator (MD5, SHA-1, SHA-256)
- HTTP Status Code Reference
- Slug Generator
- Meta Tag Generator
- Robots.txt Generator
- Random Test Data Generator
- Color Palette Generator
- Favicon Generator
- Text Diff Checker
- Readability Score Checker
- ASCII Art Text Generator
- Text Cipher Tool
- JSON to TypeScript Interface Generator
- SQL Query Formatter
- Barcode Generator
- Duplicate Line Remover
Business Tools (21)
- EMI Calculator
- GST Calculator
- Invoice Generator
- Currency Converter
- Break-Even Point Calculator
- Discount & Markup Calculator
- Salary / CTC Calculator
- Loan EMI Comparator
- Percentage Growth / Decline Calculator
- Bill Splitter
- Freelance Hourly Rate Calculator
- Payback Period Calculator
- Compound Interest Calculator
- Simple Interest Calculator
- Straight-Line Depreciation Calculator
- Business Name Generator
- ROI Calculator
- Payment Due Date Calculator
- Advanced Home Loan Calculator
- Room Paint Calculator
- Fuel Cost Calculator
Student Tools (16)
- CGPA / Percentage Calculator
- Word Counter
- Unit Converter
- Resume Builder
- GPA to Percentage Converter
- Pomodoro Study Timer
- Age Calculator
- Date Difference Calculator
- Weighted Grade Calculator
- Typing Speed Test
- Flashcard Maker
- Random Group / Team Generator
- Habit Tracker
- World Clock
- Decision Spinner Wheel
- Todo List with Export
Converters Tools (55)
- JSON ⇄ Excel Converter
- JSON ⇄ CSV Converter
- CSV ⇄ Excel Converter
- XML ⇄ JSON Converter
- XML ⇄ CSV Converter
- XML ⇄ Excel Converter
- YAML ⇄ JSON Converter
- Nested JSON ⇄ CSV (Flatten)
- Nested JSON ⇄ Excel (Flatten)
- XML / XSD Validator
- JSONL ⇄ JSON Converter
- JSONL ⇄ CSV Converter
- JSONL ⇄ Excel Converter
- CSV ⇄ SRT Converter
- Excel ⇄ SRT Converter
- Markdown ⇄ HTML Converter
- Markdown to Text
- HTML to Markdown Converter
- HTML Meta Tag Extractor
- HTML Table to CSV
- HTML Table to Excel
- SRT ⇄ VTT Converter
- SRT ⇄ ASS Converter
- SRT ⇄ Text Converter
- SRT ⇄ CSV Converter
- SRT ⇄ Excel Converter
- VTT ⇄ ASS Converter
- VTT ⇄ Text Converter
- ASS ⇄ Text Converter
- ZIP Extractor
- ZIP Creator
- Base64 ⇄ Image Converter
- Base64 ⇄ File Converter
- Image Format Converter
- Image Compressor
- EXIF Data Remover
- Image Resizer
- Merge PDF Files
- Split PDF
- PDF to Image
- Image to PDF
- PDF Page Rotator
- Image to Text (OCR)
- PDF to Text (OCR)
- Meme Generator
- Image Watermark Adder
- Digital Signature Pad
- Temperature Converter
- Time Zone Converter
- Number to Words Converter
- Roman Numeral Converter
- Base Number Converter
- Text Case Converter
- Speed Converter
- Data Storage Unit Converter
Finance Tools (6)
Blog (59)
- Quick Image Tasks You Do Not Need Photoshop For: Memes, Watermarks, and Signatures
- Celsius, Fahrenheit, and Kelvin: Why We Have Three Temperature Scales
- When to Use camelCase, snake_case, kebab-case, and Title Case
- How to Split a Bill Fairly (Even When Orders Aren't Equal)
- How Much Will It Actually Cost? Estimating Paint and Fuel Before You Commit
- Tools Every International Traveler Needs: Currency, Time Zones, and Local Time
- Number Format Converters You Might Not Know You Needed: Words, Roman Numerals, and Number Bases
- Three Niche but Handy Developer Tools: Ciphers, Barcodes, and ASCII Art
- HTML Entities and Code Minification: Two Small but Important Web Dev Tasks
- Placeholder Content for Development: Lorem Ipsum and Fake Test Data
- Comparing and Cleaning Up Text: Diff Checking and Removing Duplicate Lines
- The HTTP Status Codes You Will Actually Encounter (And What They Mean)
- Basic On-Page SEO Setup: Meta Tags, Robots.txt, and Favicons
- Cron Expressions Explained: How to Schedule Anything With Five Fields
- How to Format and Read Messy SQL Queries
- Study Group Tools: Flashcards, Random Groups, and Decision-Making
- How to Improve Your Typing Speed (and What WPM Actually Means)
- Building a Study System: Focus Timers, Habit Tracking, and To-Do Lists
- How to Calculate Your Weighted Grade Before Finals
- How to Calculate Age and Date Differences Accurately (And Where It Gets Tricky)
- From Business Name to Domain: Naming Your Business and Turning It Into a URL
- How to Set Your Freelance Hourly Rate Without Underpricing Yourself
- ROI, Payback Period, and Depreciation: How to Evaluate a Business Investment
- Why Your In-Hand Salary Is Lower Than Your CTC
- Simple Interest vs Compound Interest: How Your Money Actually Grows
- What Is OCR and How to Extract Text From Images and PDFs Free
- Free PDF Tools — Merge, Split, Rotate, and Convert PDFs Online
- How to Compress Images Online Without Losing Quality
- Free Image Format Converters — PNG, JPG, WebP, BMP, and GIF Compared
- How to Zip Files and Use Base64 Encoding — A Practical Guide
- Extracting Data From HTML — Meta Tags and Tables to CSV or Excel
- How to Convert Markdown to HTML and Back — A Developer's Guide
- How to Edit Subtitles in Excel or CSV, Then Convert Them Back
- Free Online Subtitle Converters — SRT, VTT, and ASS Explained
- How to Flatten Nested JSON and Convert JSON Lines (JSONL) Files
- How to Convert Large JSON, CSV, and Excel Files Online for Free (Up to 200MB)
- The Complete Guide to Converting CSV and XML Files to Excel
- How to Convert JSON to Excel, CSV, XML, and YAML — Free Online Guide
- What Is a JWT Token and How to Decode It Safely
- Understanding UUIDs — What They Are and Why Developers Use Them
- Free Online Tools Every College Student Should Know About
- Top Skills to List on a Student Resume (With Examples)
- Common JSON Errors and How to Fix Them
- 5 Free Online Tools Every Small Business Owner Should Bookmark
- How to Write a Resume Summary That Gets Noticed
- 10 CSS Gradient Ideas You Can Copy and Customize
- How to Write an Invoice That Gets You Paid Faster
- Word Count Guidelines for Common Academic Assignments
- HEX, RGB, and HSL Explained: A Developer's Guide to Color Formats
- Profit Margin vs Markup: What's the Difference and How to Calculate Both
- A Quick Reference Guide to Common Unit Conversions
- How to Use QR Codes for Marketing, Docs, and Events
- GST Rates in India: A Complete Slab-Wise Guide
- CGPA vs Percentage: Understanding India's Grading Systems
- JSON vs XML: Which Data Format Should You Use in 2026?
- How to Calculate Home Loan EMI and Reduce Total Interest
- How to Build a Resume as a Student With No Experience
- Best Free Tools Every Developer Should Bookmark
- How to Calculate GST in India — Step by Step