Free Online Tools for Developers and Everyone
All tools are completely free, work in your browser, require no sign-up, and your data never leaves your device.
Encoding and Decoding Tools
Base64 Decoder
Convert Base64 encoded data back to its original format instantly.
Base64 Encoder
Convert text or files to Base64 format easily.
URL Encoder/Decoder
Percent-encode or decode URLs and query strings.
Morse Code Encoder/Decoder
Convert text to Morse code and decode back with audio playback.
Leet Speak Converter
Convert text to 1337 speak with multiple intensity levels.
JWT Decoder
View JWT header and payload (Base64URL decode).
JWT Generator
Create HS256 JWTs with custom claims.
Base64 to Image
Convert Base64 strings back to viewable images.
Image to Base64
Convert images into Base64 encoded strings.
Cloudflare Email Decoder
Decrypt Cloudflare email address obfuscation.
Hash Generator Tools
Data Formatter and Beautifier Tools
Git Commit Message Generator
Generate properly formatted commit messages following Conventional Commits specification.
CSS Beautifier
Format and clean CSS code with proper indentation.
JSON Beautifier
Prettify, format and validate JSON data structure.
CSV ↔ JSON Converter
Convert CSV to JSON and JSON to CSV.
Case Converter
Convert text between common case styles.
Markdown Editor
Write and preview Markdown with real-time rendering.
Markdown ↔ HTML Converter
Convert Markdown to HTML and HTML to Markdown.
Text Diff Checker
Compare two texts and see differences.
Regex Tester
Test patterns, flags, matches, and groups.
Unix Timestamp Converter
Convert timestamps to dates and back (UTC/local).
UUID/ULID Generator
Generate UUID v4 and ULID identifiers.
cURL Converter
Convert cURL commands to Python requests, JavaScript fetch/axios, and Java OkHttp code instantly.
Color Tools
Image Conversion Tools
SVG to JPG Converter
Convert SVG vector images to JPG format easily.
SVG to PNG Converter
Convert SVG vector graphics to PNG with transparency.
Image Compressor
Compress images and convert to WebP or JPEG.
Image Resizer
Resize or center‑crop images to any size.
QR Code Generator
Create QR codes for URLs or text and download PNG.
QR Code Scanner
Upload image and decode QR code(s).
Barcode Generator
Create Code128, EAN-13, or QR barcodes.
EXIF Viewer & Remover
View and strip image EXIF metadata.
Background Remover
Make white backgrounds transparent (PNG).
Image Watermarker
Add text or image watermarks with customizable position and opacity.
YouTube Thumbnail Analyzer
Analyze thumbnails for CTR optimization - brightness, emotion, composition, colors, and more.
YouTube Thumbnail Downloader
Download YouTube video thumbnails in all resolutions (HD, SD, Medium, Default). Extract thumbnails instantly.
PDF to Images
Convert PDF pages to PNG or JPG images (up to 10 pages).
EDV Photo Tool
Check if your photo meets Electronic Diversity Visa requirements.
Facial Structure Analyzer
Analyze facial structure, symmetry, golden ratio proportions, and get a detailed score.
Network and System Tools
IP Address Lookup
Get detailed geolocation information for any IP address.
HTTP Headers Checker
View and analyze your browser's HTTP request headers.
Subnet/CIDR Calculator
Compute network, mask, broadcast, and host range.
SSL Certificate Checker
Check SSL certificate validity, expiration, and details.
HSTS Checker
Verify HTTP Strict Transport Security configuration.
Security Headers Checker
Comprehensive security headers audit with score.
Redirect Chain Analyzer
Trace HTTP redirect chains and identify issues.
Domain Age Checker
Check when a domain was registered and calculate its age.
Screen Resolution Checker
Check your screen resolution, viewport size, window dimensions, pixel ratio, and device information instantly.
User Agent Generator
Generate user agent strings for different browsers, operating systems, and devices. Perfect for QA testing and browser compatibility testing.
Validation and Verification Tools
SEO Analyzer
Analyze your website's SEO score instantly. Check title tags, meta descriptions, headings, images, links, and get actionable recommendations.
Email Signature Generator
Create professional HTML email signatures with logos, contact info, and social links. Works in Gmail, Outlook, Apple Mail, and more.
Email Checker
Verify email address format and check if the domain exists.
Finance & Calculator Tools
EMI Calculator
Calculate loan EMI, total interest, and payment schedule. Get detailed breakdown and amortization schedule for home, car, and personal loans.
SIP Calculator
Calculate your Systematic Investment Plan returns. Get maturity value, total invested, gains, and year-wise growth breakdown.
Nepal Tax Calculator
Calculate your income tax for Nepal based on current tax brackets. Enter income and deductions (EPF, CIT, SSF, Insurance) to get accurate tax calculation.
BMI Calculator
Calculate your Body Mass Index (BMI) with metric and imperial units. Get category, healthy weight range, and recommendations.
Age Calculator & Countdown Timer
Calculate your exact age in years, months, days, hours, and minutes, or create a live countdown timer to any future date.
Text and Password Tools
Password Generator
Create strong, secure random passwords with custom options.
Password Entropy Meter
Estimate strength in bits with friendly feedback.
Word Counter
Count words, characters, spaces and paragraphs in any text.
ASCII Art Generator
Create ASCII art from text for code comments and documentation.
Random Number Generator
Generate random numbers with custom range, quantity, integers or decimals, and advanced options.
Emoji Translator
Translate text to emoji, find emoji meanings, search emojis by keywords, and browse by category.
Your Complete Collection of Free Online Tools
Welcome to app.shubraj.com, the ultimate destination for free, browser-based online utilities. We offer over 60 professional-grade tools that cater to developers, designers, content creators, system administrators, and everyday users. Our comprehensive collection eliminates the need for multiple websites or expensive software subscriptions, providing everything you need in one convenient location.
Why Choose app.shubraj.com?
Our platform stands out in the crowded online tools market through several key advantages:
- Completely Free Forever: Every tool on our platform is 100% free with no hidden costs, subscriptions, or premium tiers. Unlike many competitors, we don't lock essential features behind paywalls or limit usage based on payment plans.
- Privacy-First Approach: Most of our tools process data entirely within your browser, meaning your sensitive information never leaves your device. For server-side processing tools, we implement strict data retention policies and automatically delete uploaded files after processing.
- Zero Registration Required: Start using any tool immediately without creating accounts, providing email addresses, or dealing with password management. We believe tools should be accessible instantly when you need them.
- Universal Compatibility: All our tools work seamlessly across modern browsers (Chrome, Firefox, Safari, Edge) and devices (desktop, tablet, mobile). Responsive design ensures optimal experiences on any screen size.
- Regular Updates and New Tools: We continuously expand our collection based on user feedback and emerging needs. Our development team regularly adds new tools and improves existing ones to stay current with industry requirements.
- Professional Quality: Despite being free, our tools match or exceed the quality of paid alternatives. We invest in proper error handling, input validation, and user experience design.
Comprehensive Tool Categories
Our platform organizes tools into logical categories for easy discovery:
Encoding and Decoding Tools
Handle data transformation tasks with our encoding suite. Convert text to Base64 for data transmission, encode URLs for web development, decode JWT tokens for API debugging, or transform data between different encoding schemes. These tools are essential for developers working with APIs, web applications, or data processing tasks.
Hash Generator and Security Tools
Generate secure hash values using industry-standard algorithms including MD5, SHA-1, SHA-256, and SHA-512. Our hash identifier helps security professionals analyze unknown hash values. The BCrypt generator creates password hashes suitable for secure storage. These tools are crucial for application security, password management, and data integrity verification.
Data Formatting and Beautification
Transform messy code and data into readable formats. Our JSON beautifier formats and validates JSON structures, the CSS beautifier cleans and organizes stylesheets, and the regex tester helps developers perfect pattern matching. The text diff checker compares documents side-by-side, while the case converter handles text transformation tasks efficiently.
Image Processing and Conversion
Complete image manipulation suite covering conversion, compression, resizing, watermarking, and metadata management. Convert between SVG, PNG, JPG, and WebP formats. Compress images for web optimization. Remove backgrounds, add watermarks, or extract color palettes. Our PDF to images converter extracts pages from PDF documents. All tools maintain image quality while optimizing file sizes.
Network and Security Analysis
Professional-grade network tools for security audits and troubleshooting. Check SSL certificate validity and expiration dates. Verify HSTS configuration for secure websites. Perform comprehensive security headers audits with detailed scoring. Analyze redirect chains to identify SEO and performance issues. Check domain age for competitive analysis or acquisition research. These tools help maintain web security and performance standards.
Text and Content Tools
Essential utilities for content creation and analysis. Generate secure passwords with customizable complexity. Measure password strength with entropy calculations. Count words, characters, and paragraphs for writing projects. Create ASCII art for code documentation. The word counter provides detailed statistics useful for writers, students, and content creators.
Validation and Verification
Ensure data quality and accuracy with validation tools. Verify email addresses to check deliverability before sending campaigns. Validate formats, check domain existence, and verify MX records. These tools prevent errors in data processing and communication workflows.
Common Use Cases
Our tools serve diverse professional scenarios:
- Web Development: Format JSON responses, encode URLs, validate email addresses, test regex patterns, generate UUIDs, and decode JWT tokens during API development and debugging.
- Design Work: Convert image formats, compress files for web delivery, extract color codes from designs, remove backgrounds, add watermarks, and resize images for different display contexts.
- Content Creation: Count words for articles, generate ASCII art for documentation, convert markdown to HTML, create QR codes for social media, and format text for publication.
- Security Audits: Check SSL certificates, verify security headers, analyze HSTS configuration, test password strength, and generate secure hash values for authentication systems.
- System Administration: Calculate subnet configurations, check domain information, analyze redirect chains, verify email deliverability, and validate network configurations.
- Data Processing: Convert CSV to JSON, format data structures, encode sensitive information, decode encoded data, and transform data between different formats.
Technical Excellence and Reliability
Behind every tool lies robust engineering. We implement proper error handling, input validation, and user feedback mechanisms. Server-side tools use industry-standard libraries and frameworks, ensuring reliable processing of user data. Client-side tools leverage modern JavaScript APIs for optimal performance and browser compatibility.
User Experience Focus
Beyond functionality, we prioritize user experience. Each tool features intuitive interfaces, clear instructions, real-time results where applicable, and comprehensive error messages. Mobile-responsive design ensures tools work perfectly on smartphones and tablets. Search functionality helps users quickly find the tool they need from our extensive collection.
No Limitations, No Restrictions
Unlike many free tool websites, we don't artificially limit usage. No daily quotas, no file size restrictions on most tools, no processing delays for free users. The only limitation is our PDF to images converter, which processes up to 10 pages per PDF to ensure reasonable server load and processing times.
Continuous Improvement
We actively monitor tool usage, collect user feedback, and implement improvements regularly. New tools are added based on user requests and emerging needs in the developer and designer communities. Our goal is to become the single destination for all free online utility needs.
Whether you're a professional developer building applications, a designer creating visual content, a system administrator maintaining infrastructure, or someone who occasionally needs digital utilities, app.shubraj.com provides professional-quality tools without any cost or commitment. Bookmark our site today and streamline your digital workflow with access to 60+ carefully crafted tools.