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
Text & Content Tools

Text Line Sort & Alphabetizer

Sort text lines alphabetically (A-Z, Z-A), by line length, reverse line order, or shuffle lines randomly.

Instant Run • 53 uses
SEO & Search Tools

Twitter / X Card Meta Tag Generator

Generate summary, summary_large_image, and app Twitter card meta tags with live social preview.

Instant Run • 54 uses
Generators

Universal Barcode Generator

Create high-quality barcodes in standard international formats (CODE128, EAN, UPC). Verify data formats and download clean vector SVG copies.

Instant Run • 45 uses
Calculators & Converters

Unix Epoch Timestamp & Time Zone Converter

Convert Unix epoch timestamps to human-readable date strings and convert dates across global timezones.

Instant Run • 19 uses
Web & Dev Utilities

URL Encoder & Decoder (Percent-Encoding)

Encode strings into RFC 3986 percent-encoded URL parameters or decode encoded URLs back to human-readable text.

Instant Run • 42 uses
Calculators & Converters

US GPA Calculator

Calculate your US High School and College Grade Point Average (GPA) on standard 4.0 scale with AP/Honors weighting.

Instant Run • 20 uses
Calculators & Converters

US Paycheck Take-Home Calculator

Estimate your net take-home pay after federal income taxes, FICA (Social Security & Medicare), and state tax withholdings.

Instant Run • 21 uses
Calculators & Converters

US Sales Tax Calculator

Calculate total sales tax and final price for US state and local tax rates, or reverse-calculate pre-tax amounts.

Instant Run • 20 uses
Calculators & Converters

US Tip & Split Bill Calculator

Quickly calculate server tip percentage and split dinner or restaurant bills equally per person.

Instant Run • 18 uses
Web & Dev Utilities

User-Agent String Parser & Inspector

Parse User-Agent HTTP header strings to inspect browser name, version, operating system, rendering engine, and device type.

Instant Run • 41 uses
Security & Encoders

UUID & GUID Generator (v4)

Generate cryptographically secure RFC 4122 compliant UUID v4 strings locally in your browser with custom quantities, case formatting, and instant export.

Instant Run • 23 uses
Generators

UUID v4 & GUID Batch Generator

Generate RFC 4122 compliant version-4 Universally Unique Identifiers (UUIDs) and GUID keys in bulk.

Instant Run • 52 uses
Text & Content Tools

Whitespace & Space Cleaner

Strip extra spaces, remove leading/trailing whitespace, collapse tabs, and clean unformatted text documents.

Instant Run • 40 uses
SEO & Search Tools

XML Sitemap Generator & Builder

Generate XML sitemaps for website URLs with loc, lastmod, changefreq, and priority tags for Search Console.

Instant Run • 51 uses
JSON & Data Utilities

XML to JSON Converter

Parse XML documents and SOAP feeds into clean formatted JSON objects online.

Instant Run • 45 uses
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100% Free Access

No account required

Client-Side Security

Data never leaves browser

Zero Latency

Blazing fast execution

Mobile Optimized

Works on phone & desktop