TechPortal
Instant Web Utilities Suite • 100+ Tools

Browse Developer Tools by Category

Zero-install, high-performance web utilities for developers, designers, and content creators running directly in your browser.

All Tools 105 Tech Utilities 0 JSON & Data Utilities 9 SEO & Search Tools 11 Generators 12 CSS & Styling Tools 12 Web & Dev Utilities 11 Text & Content Tools 10 Image & Media Tools 13 Security & Encoders 10 Calculators & Converters 17
Calculators & Converters

Data Storage & Bandwidth Unit Converter

Convert data storage units between Bytes, KB, MB, GB, TB, and PB in real-time.

Instant Run • 26 uses
Image & Media Tools

Dummy Image & Placeholder Generator

Generate custom SVG and PNG placeholder images with custom dimensions, colors, text labels, and HTML embedding code.

Instant Run • 40 uses
Text & Content Tools

Duplicate Line Remover & Cleaner

Remove duplicate lines from lists and text documents, trim whitespace, and sort unique lines automatically.

Instant Run • 47 uses
Text & Content Tools

Email & Text Obfuscator

Obfuscate email addresses and sensitive text into HTML decimal/hex entity codes to block automated spam bots.

Instant Run • 49 uses
Calculators & Converters

EMI & Loan Repayment Calculator

Calculate monthly EMI, total interest payable, and repayment schedules for home, car, and personal loans.

Instant Run • 15 uses
Calculators & Converters

Exact Age & Date Difference Calculator

Calculate exact age in years, months, weeks, days, and hours between two calendar dates.

Instant Run • 25 uses
Image & Media Tools

EXIF Metadata Viewer & Stripper

Inspect camera EXIF metadata from JPEG/PNG images and strip sensitive GPS and camera data for privacy.

Instant Run • 47 uses
Image & Media Tools

Favicon & App Icon Generator

Generate multi-resolution browser favicons, Apple Touch icons, Android Chrome manifest icons, and HTML tags from text or image files 100% locally.

Instant Run • 37 uses
Calculators & Converters

File Download & Upload Time Calculator

Calculate file download and upload duration based on file size and internet connection bandwidth.

Instant Run • 22 uses
Text & Content Tools

Find and Replace Text Tool

Find and replace specific words, characters, or regex patterns in large text documents in real-time.

Instant Run • 45 uses
SEO & Search Tools

Google SERP Snippet Previewer

Preview how your web page title, URL, and meta description will appear on Google search results on desktop & mobile devices.

Instant Run • 50 uses
Generators

Harmonious Color Palette Generator

Generate random harmonious 5-color palettes (Monochromatic, Analogous, Triadic) with HEX and RGB codes.

Instant Run • 41 uses
Security & Encoders

HMAC Hash Generator (SHA256 / SHA512)

Generate keyed-hash message authentication codes (HMAC) using secret keys with SHA-256 and SHA-512 algorithms.

Instant Run • 26 uses
Generators

HTACCESS & Nginx Rewrite Rule Generator

Generate 301 redirects, HTTP-to-HTTPS redirect rules, WWW canonicalization, and security headers for Apache .htaccess and Nginx servers.

Instant Run • 51 uses
Web & Dev Utilities

HTML Entity Encoder & Decoder

Safely convert special characters into HTML entities or decode entities back into plain text with real-time browser processing.

Instant Run • 46 uses
Web & Dev Utilities

HTTP Status Code Inspector & Reference

Interactive reference guide and inspector for HTTP response status codes (2xx, 3xx, 4xx, 5xx) and security headers.

Instant Run • 41 uses
Image & Media Tools

Image Aspect Ratio Calculator

Calculate responsive 16:9, 4:3, 1:1, 21:9 image dimensions or custom aspect ratios for web graphics.

Instant Run • 46 uses
Image & Media Tools

Image Color Filter & Effects Studio

Apply sepia, grayscale, brightness, contrast, blur, and invert filters to uploaded images with instant download.

Instant Run • 28 uses
Image & Media Tools

Image Color Picker & Eyedropper

Upload any image and click anywhere to sample exact HEX, RGB, and HSL color codes.

Instant Run • 24 uses
Image & Media Tools

Image Dominant Color Palette Extractor

Extract top dominant color palettes from any uploaded image with 1-click HEX copy buttons for designers.

Instant Run • 34 uses
Image & Media Tools

Image Format Converter (PNG, JPG, WebP, BMP)

Convert images between PNG, JPEG, WebP, and BMP formats 100% in-browser with quality control.

Instant Run • 43 uses
Image & Media Tools

Image Resizer & Dimension Scaler

Resize image dimensions by exact pixels or percentage while maintaining original aspect ratios.

Instant Run • 52 uses
Image & Media Tools

Image to Base64 Encoder & Decoder

Instantly encode any image to Base64 data URI string or decode Base64 back into viewable and downloadable images completely client-side.

Instant Run • 26 uses
Image & Media Tools

Image Watermark Generator

Stamp text or logo watermarks onto images with custom opacity, font size, rotation, and position controls.

Instant Run • 24 uses
Web & Dev Utilities

JavaScript Minifier & Beautifier

Format raw JavaScript code or minify scripts into lightweight code completely client-side in your browser.

Instant Run • 39 uses
JSON & Data Utilities

JSON to HTML Table Converter

Transform JSON data arrays into clean HTML table markup with live responsive preview.

Instant Run • 55 uses
JSON & Data Utilities

JSON to SQL Converter

Generate SQL INSERT INTO and CREATE TABLE query statements from JSON objects and arrays.

Instant Run • 52 uses
JSON & Data Utilities

JSON to TypeScript Type Generator

Instantly generate strongly-typed TypeScript interfaces, types, and type definitions from raw JSON object structures.

Instant Run • 61 uses
JSON & Data Utilities

JSON to XML Converter

Convert JSON payload strings to clean XML elements online with custom root tag and attribute support.

Instant Run • 51 uses
JSON & Data Utilities

JSON to YAML & YAML to JSON Converter

Convert JSON payload strings to clean YAML format or parse YAML configuration back into formatted JSON objects.

Instant Run • 63 uses
✓

100% Free Access

No account required

Client-Side Security

Data never leaves browser

Zero Latency

Blazing fast execution

Mobile Optimized

Works on phone & desktop