FreeToolPoint
TinyPNG
Smallpdf
FreeToolkit
iLovePDF
Canva
Adobe Acrobat DC
calculator.net
WhiteKit.dev
JSONFormatter.org
Code Beautify JSON Validator
FreeFormatter
CyberChef
IT Tools
CodeBeautify
CodeSwissKnife
45+ free browser-based tools for developers. JSON formatter, regex tester, meta tag generator, base64 encoder, CSS minifier, favicon generator, and more. 100% client-side โ no signups, no file uploads. Everything runs in your browser.
WhiteKit brings together 55 developer tools in one place: formatters (JSON, XML, SQL, YAML), converters, security utilities (JWT, hashing, encoding), network calculators, and text tools.
Everything runs 100% client-side. Your data never leaves your device, so you can safely paste API keys, tokens, and production payloads. No sign-up, no upload step, and it keeps working offline once loaded.
Each tool is built to handle real edge cases rather than just the happy path โ the cron parser implements Quartz 6-field semantics correctly, the IPv6 ULA generator follows RFC 4193 Appendix A, and the subnet calculator handles /31 and /32 edge cases.
FreeToolPoint
WhiteKit.devTinyPNG - Make your website faster and save bandwidth. TinyPNG optimizes your PNG images by 50-80% while preserving full transparency!
JSONFormatter.org - Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON
Smallpdf - PDF document management and conversion suite
Code Beautify JSON Validator - Code Beautyโs JSON Validator or JSON Lint is easy to use tool to copy, paste and validate JSON data.
FreeToolkit - 100+ free online tools: JSON formatter, Base64 encoder, UUID generator, regex tester, age calculator, color picker, unit converter & more. Fast, private โ runs entirely in your browser. No login.
FreeFormatter - Freeformatter is a platform that contains free online tools for developers, including formatters (json, html, xml, sql, etc.), minifiers (css, javascript), compactors, validators, and much more.