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Browse all formatter, converter, encoder, decoder, generator, calculator, AI utility, text helper, and learning guide pages from one organized place.

Browse by topicFormatters, converters, calculators, generators, AI utilities, and learning guides.

Fast navigationJump from one tool to another without searching the menu.

Organized by categoryEvery important tool, guide, and site page is grouped with clear context.

Browser-based toolsMost utilities run locally in your browser with no signup required.

JSON Tools

Format, validate, convert, inspect, and learn JSON for API responses, logs, and application data.

JSON Formatter

Beautify, validate, minify, search, view JSON as a tree, export Excel, and create HTML tables.

Open page ->Advanced JSON Formatter

Modern JSON formatter interface for complex nested JSON data.

Open page ->JSON to C# Class

Convert JSON samples into C# POCO classes for .NET projects.

Open page ->JSON to TypeScript

Generate TypeScript interfaces from JSON payloads.

Open page ->What is JSON?

Learn JSON syntax, objects, arrays, examples, and common API uses.

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XML, SQL, and Code Tools

Clean up structured data, queries, patterns, and code-related text directly in the browser.

XML Formatter

Beautify, validate, minify, search tags, and inspect XML in tree view.

Open page ->What is XML?

Understand XML documents, tags, attributes, namespaces, and examples.

Open page ->SQL Formatter

Format SQL queries for easier review, debugging, and sharing.

Open page ->Regex Tester

Test JavaScript regular expressions with sample text and matches.

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Text and String Utilities

Compare, clean, count, convert, and transform text for developer and writing workflows.

String Tools

Convert case, trim text, clean lines, encode values, and generate slugs.

Open page ->Case Converter

Convert text to uppercase, lowercase, title case, camelCase, snake_case, and kebab-case.

Open page ->Word Counter

Count words, characters, lines, sentences, paragraphs, and reading time.

Open page ->Text Compare

Compare two blocks of text line by line for config, code, logs, and prompts.

Open page ->C# String Functions

Learn common C# string methods with examples.

Open page ->JavaScript String Functions

Learn JavaScript string functions with practical examples.

Open page ->What are String Utilities?

Learn how string tools help with cleanup, formatting, and conversion.

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Encoders, Decoders, and Security Helpers

Encode, decode, inspect, and generate technical values without sending data to a server.

Encoder Decoder Tools

A hub for URL, Base64, HTML, JWT, and encoding utilities.

Open page ->Base64 Encoder Decoder

Encode plain text to Base64 and decode Base64 back to readable text.

Open page ->URL Encoder Decoder

Encode URLs, decode percent-encoded text, and inspect query values.

Open page ->HTML Encoder Decoder

Escape and unescape HTML entities for safe display and debugging.

Open page ->JWT Decoder

Decode JWT header, payload, claims, issued time, expiry, and algorithm locally.

Open page ->Hash Generator

Generate SHA hashes for text and quick verification workflows.

Open page ->What is Base64?

Learn Base64 encoding, decoding, examples, and common uses.

Open page ->What is a JWT?

Learn JWT headers, payloads, signatures, claims, and token examples.

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Generators, Calculators, and Productivity

Generate IDs, convert time, calculate values, and keep quick notes in the browser.

Generator Tools

Find UUID, hash, timestamp, password, random data, and helper generators.

Open page ->GUID Generator

Generate UUID/GUID values for databases, APIs, tests, and application records.

Open page ->Timestamp Converter

Convert Unix timestamps to dates and dates to Unix time.

Open page ->Age Calculator

Calculate age in years, months, days, and upcoming birthday details.

Open page ->Percentage Calculator

Calculate percentage, increase, decrease, discount, marks, and totals.

Open page ->Quick Notes

Save notes, links, tasks, and reminders locally in your browser.

Open page ->What is a UUID?

Learn UUID/GUID meaning, examples, versions, and use cases.

Open page ->What is Unix Timestamp?

Learn Unix time, seconds, milliseconds, UTC, and timestamp examples.

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AI Utility Pages

Estimate AI prompt size, compare AI tools, and improve developer AI workflows.

AI Token Calculator

Estimate prompt tokens, output tokens, and approximate AI usage cost.

Open page ->AI Tools Comparison

Compare AI coding and productivity tools, workflows, pricing, strengths, and limitations.

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Site Information

Learn about QuickDeveloperTools, privacy, accessibility, terms, and support.

About QuickDeveloperTools

Learn what QuickDeveloperTools provides and why the tools are browser-based.

Open page ->Privacy Policy

Read how QuickDeveloperTools handles browser-based utility workflows and data.

Open page ->Accessibility

Read the accessibility statement for QuickDeveloperTools.

Open page ->Terms

Review the basic terms for using QuickDeveloperTools.

Open page ->Contact

Send feedback, bug reports, support questions, and tool suggestions.

Open page ->Sitemap

Browse all QuickDeveloperTools pages, tools, guides, and utility links.

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