Quick payload tools
Format, convert, encode, decode, and generate developer-facing values without leaving the browser.
Essential tools for developers
Format payloads, convert structured data, encode values, or generate identifiers without switching between separate utilities. Search by task or open the tool you need.
Useful for handoffs
These tools help when you need readable output, copied values, or quick conversions during debugging and integration work.
Lightweight to open
The developer utilities stay fast to load and practical on both desktop screens and quick mobile checks.
10developer tools available
Preset generator
QR Code Generator
Generate QR codes for URL, Wi-Fi, contact, SMS, email, and phone presets with PNG and SVG downloads.
Security tool
Password Generator
Generate multiple passwords or customizable passphrases with presets, entropy guidance, and local-only generation.
Quick generator
Random Number Generator
Generate single or batch random numbers with custom ranges, uniqueness control, and instant copy support.
QR utility
QR Code Scanner
Scan QR codes from camera or image upload, inspect the decoded result, and open or copy the detected content.
Developer tool
JSON Formatter / Validator
Format, validate, minify, and copy JSON with readable error feedback and downloadable output.
Developer converter
JSON to XML
Convert structured JSON into readable XML with configurable root naming, pretty output, and quick copy support.
Developer converter
XML to JSON
Parse XML into structured JSON with formatted output, browser-side validation, and quick download support.
Developer generator
UUID Generator
Generate one or many UUIDs instantly with batch copy, download support, and saved output preferences.
Developer utility
Base64 Encode / Decode
Encode or decode Base64 text with UTF-8 support, draft saving, copy actions, and TXT export.
Developer utility
URL Encode / Decode
Encode and decode URLs or query fragments quickly with compare view, copy actions, and local draft recovery.
Browse by use case
Pick the utility that matches the development task
Choose a utility for structured data, encoded strings, or generated identifiers during debugging and integration work.
Format and validate payloads
Open tools that make structured payloads easier to inspect, reformat, and hand off during development work.
Encode, decode, and generate values
Prepare copied values, URL-safe content, and generated identifiers for debugging, integrations, and quick testing.
Helpful information
Using the developer-tool collection
Quick answers about the included utilities, access, browser use, and copied output.
Which developer tools are included on this page?
You can format JSON, convert JSON and XML, generate UUIDs, and encode or decode Base64 and URL text in this collection.
Are these developer tools free to use?
Yes. Every listed developer tool is free to open and use directly in your browser.
Can I use these developer tools without a backend?
Yes. These utilities run in the browser for formatting, conversion, encoding, and generation tasks.
Are these tools useful for copied output and quick debugging work?
Yes. Several developer tools support copied output, readable formatting, and browser-side conversions that are useful during debugging and integrations.