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Free Developer Tools - 100% Client-Side Engine — DevOnlineTools — DevOnlineTools
A fast, modern, 100% private collection of free online developer, networking, security, and format utilities. 100% browser-based with zero data sent to servers.
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88 % |
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Online Developer Tools and Practical Guides | DevTools Hub
Use practical browser-based tools to format JSON, decode JWTs, convert Base64, test regular expressions, and work with common developer formats.
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86 % |
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DevToolkit — Free Online Developer Tools
Free online developer tools: JSON formatter, Base64 encoder, JWT decoder, UUID generator, URL encoder, and hash generator. Fast, private, no signup required.
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86 % |
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DevsFriend
Fast, free, and 100% private developer tools. Convert, format, encode, and debug data directly in your browser with zero data leaving your device.
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85 % |
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HerBokolog - 100% In-Browser Micro-Utility Platform
Ultra-fast, zero-server-upload online utilities for PDF, images, text, and developers. Free, private, and instant in your browser.
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85 % |
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byteflow.tools | Privacy-first Local Developer Tools
Privacy-first developer tools that run in your browser, with external-request tools clearly marked. No signup, no cloud history, and installable as a PWA.
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85 % |
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Secure Dev Tools — 100% Offline & Private Developer Suite
54+ free dev utilities. Format JSON, decode JWTs, generate RSA keys, build CORS policies locally in browser RAM with zero server tracking.
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85 % |
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Free Online Developer Tools — Private & Client-Side
978+ free developer tools — JSON formatter, Base64, hashing, converters & more. 100% private & client-side: no servers, no tracking, no signup.
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85 % |
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QuickDevBox - 100% Client-Side Developer & Security Tools
Free, open-source, privacy-first developer tools. Format JSON, decode JWT, calculate subnets, encrypt AES/RSA, minify code, and process images 100% client-si...
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85 % |
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AI Tool Suite — Interactive Developer & AI Utilities Workbench
Lightning-fast online workbench for developers, designers, and AI creators. Test-drive utilities in our in-browser QuickLab sandbox, format JSON, debug JWTs,...
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85 % |
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Chipi Tools — Free, Fast & Private Developer Tools
Essential 100% client-side developer tools: Text Diff, String Compare, Code Prettifier, CSV ↔ JSON Converter, Base64, JWT Decoder, UUID Generator, QR Code Ge...
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85 % |
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Toolman — 29 Free Online Tools That Run in Your Browser
A collection of fast, free online tools that run entirely in your browser. No uploads, no sign-up, no tracking.
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84 % |
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DevCrate — Developer Tools
22 free browser-based developer tools — JSON formatter, JWT debugger, regex studio, REST client, and more. No login, no ads, 100% private.
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84 % |
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CodeCrate – Free Online Developer Tools
Free online developer tools for JSON, Base64, JWT, Regex, timestamps, SQL, HTML, CSS, JavaScript and more. Format, convert, validate and debug directly in yo...
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84 % |
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The Devs Tools
Free, fast, in-browser developer tools — JSON, image, text, and time utilities with no sign-up and no server round-trip.
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84 % |
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CutCompress — Fast, Free Online Developer & Testing Tools
Free, 100% private in-browser developer & testing tools: PDF Studio, JSON Formatter & Validator, Column Extractor, Comma Separator, UUID Generator (v4/v7), L...
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84 % |
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Free Online Developer Tools | Password Generator, JSON Formatter & More | DevToolsPro.org
Explore free online developer tools by DevToolsPro — generate passwords, format JSON, encode URLs, and more. 100% browser-based, private, and registration-free.
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84 % |
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Free Developer Tools & Cheat Sheets | syntaxofbeing.com
140+ free developer tools, cheat sheets and articles — format JSON, build SQL queries, convert images, edit PDFs. No signup, nothing leaves your browser.
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84 % |
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DevToolkit by trahoangdev – Free Online Tools for Dev, Content & Business
Free online tools: JSON, Base64, QR Code, UTM, Invoice, CV… 100% runs in browser. No sign-in required.
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84 % |
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Blank2Done — Privacy-First Browser Utilities
free, privacy-first browser utilities that run locally in your browser with no uploads, no servers, and no tracking. All tools are 100% free.
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84 % |
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