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Free Online Developer Tools & Utilities | DevMicroTools
Free developer utilities: JSON formatter, regex tester, Base64, JWT, hashing, diff checker and more — all running in your browser. Nothing is ever uploaded.
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91 % |
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PrivateDevTools — Private, Offline Developer Utilities
Free developer tools that run 100% in your browser. Convert JSON, YAML, CSV, XML and TOML, decode JWTs, build cron expressions, test regex and format SQL—not...
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91 % |
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FreeToolbelt
Fast, free, ad-supported developer and DevOps utilities — no signup, no upload limits, runs in your browser.
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90 % |
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Toolora - Free Online Developer Tools
Fast, free online tools for developers: JSON, XML, YAML, encoding, generators, time, web and image utilities.
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90 % |
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Format JSON, clean CSV, and convert SQL in the browser
Browser tools for JSON, CSV, SQL, regex, and JWTs. Core formatting stays in this tab. JWT decode does not verify signatures.
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90 % |
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Fast File Conversion — Convert CSV, JSON, Images & More in Your Browser
Free file converters that run entirely in your browser. CSV, JSON, XML, YAML, and image conversions — no uploads, no size limits, no watermarks.
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89 % |
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Free, Secure & Client-Side Developer Tools
A comprehensive suite of free, fast, and secure developer utilities. All tools run entirely in your browser, so your data stays safe.
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89 % |
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GoodParse | Free Online Developer Tools & Formatting Suite
Free, secure, and lightning-fast developer tools. Beautify JSON, pretty-print XML and HTML, convert Unix Timestamps, encode Base64 or URLs. 100% browser-base...
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89 % |
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DevFormats — Fast Developer Tools for Structured Data
Format, validate, convert and generate JSON, YAML, XML, JWT, CSV and more — all processed locally in your browser. Free, private, no signup.
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89 % |
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Free JSON Converter — Convert JSON to TypeScript, Rust, Go, C#, Python & More
Instantly convert JSON to TypeScript, Rust, Go, C#, Python, Zod & more. Free browser-based tool — 100% private, no server uploads, no signup.
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89 % |
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EasyFormatConverter — Free Online Data Format Tools
Free, private, browser-based converters for JSON, YAML, CSV, TypeScript and more. Your data never leaves your device.
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89 % |
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Developer Tools for JSON, PDF, API & Security — ArrayKit
Privacy-first developer tools that run entirely in your browser — JSON, PDF, JWT, hashing, encoding, formatters and more. Your data never leaves your device.
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88 % |
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Private JSON Formatter, Compare, Validator & Dev Tools | FastDevTool
Format, compare, validate, view, and convert JSON locally in your browser. Private developer tools for API payloads, configs, JWTs, regex, and Base64.
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88 % |
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JSON Tools Online: Formatter, Diff & Converter | DevToolset
Format, validate, diff, and convert JSON online with free browser-based tools for CSV, Excel, YAML, XML, and TypeScript workflows.
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88 % |
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snaptxt.app — free developer & everyday browser tools
Free developer & everyday tools that run entirely in your browser — with optional on-device AI (Gemini Nano) on JSON, JWT, SQL, regex, and cron. Format, vali...
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88 % |
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Universal Data Converter — JSON, XML, YAML, CSV, Excel | Data-Converter.app
Free online tools to convert between JSON, XML, YAML, CSV, and Excel. Generate TypeScript, Zod, and SQL from any data format. 100% client-side, no data leave...
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88 % |
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Format JSON, SQL, and XML, decode JWT, and convert data in your browser | Toolora
Free browser utilities to format JSON, SQL, and XML, decode JWTs, convert YAML, generate QR codes, and hash passwords. Toolora tools run locally — no signup,...
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88 % |
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99tools — free online tools that run in your browser
169 small, fast utilities for JSON, text, encoding, PDFs, images and more. Everything runs in your browser, so your data never leaves your device.
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88 % |
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DevTool.com - Paste Anything, We'll Decode It | Smart Developer Toolbox - DevTool.com
Paste a JWT, Base64, timestamp, JSON or cURL command — DevTool.com auto-detects and decodes it instantly in your browser. Plus 18+ free, private developer to...
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87 % |
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Dev Gearbox – Free Developer Tools for Formatting, Security, and Playgrounds
Dev Gearbox is a free, privacy-first toolkit for developers. Format JSON, XML, and SQL. Convert JSON, YAML, CSV, and TypeScript. Encrypt and decrypt with AES...
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87 % |
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