100+ Free Tools

Powerful Developer Tools
for Faster Development

Everything a developer needs in one place — formatters, SEO analyzers, network tools, CSS generators, encoding utilities, and finance calculators. Free, fast, no login required.

100+Tools
12Categories
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Popular Tools

JSON Formatter
Meta Tag Analyzer
IP Lookup
CSS Gradient Generator
Base64 Encoder
QR Code Generator
Word Counter
REST API Tester

All Tool Categories

Select a category to browse all tools

12 Categories
21 Tools

Formatter Tools

Beautify and format HTML, CSS, JS, JSON, SQL, PHP, Python, Go, Rust and more.

HTMLCSSJSONSQL
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7 Tools

IP & Network Tools

IP lookup, WHOIS, RDAP, DNS lookup, SSL checker and ping test tools.

IP LookupWHOISDNSSSL
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4 Tools

Currency Exchange

Live exchange rates and currency converter for 170+ world currencies.

USDEURINRGBP
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2 Tools

Code Generators

Generate QR codes, barcodes, UUIDs, passwords and random data.

QR CodeBarcodeUUID
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50+ Tools

SEO Tools

Meta analyzers, sitemap generators, keyword tools, link checkers & audits.

Meta TagsSitemapKeywordsAudit
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12 Tools

CSS Tools

Generate gradients, shadows, flexbox, grid, glassmorphism and animations.

GradientFlexboxGridShadow
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8 Tools

JavaScript Tools

Regex tester, UUID generator, password generator, cron expression builder.

RegexUUIDCronPassword
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9 Tools

API Developer Tools

REST API tester, cURL generator, HTTP request builder and Postman generator.

RESTcURLHTTPPostman
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13 Tools

Encoding Tools

Base64, URL encode, HTML encode, MD5, SHA1, SHA256, SHA512 and BCrypt.

Base64MD5SHA256BCrypt
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15 Tools

Text Tools

Word counter, case converter, slug generator, lorem ipsum and text manipulators.

Word CounterCaseSlugLorem
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7 Tools

Color Tools

Color picker, palette generator, gradient, contrast checker and converters.

HEXRGBHSLPalette
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8 Tools

Finance Widgets

EMI, SIP, GST, loan, tax calculators and currency converter widgets.

EMISIPGSTLoan
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100+
Developer Tools
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Tool Categories
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Frequently Asked Questions

Everything you need to know about Ojoo Developer Tools

Yes — every tool on Ojoo Developer Tools is 100% free to use with no registration, no login, and no usage limits. We believe developer tools should be accessible to everyone.

Absolutely. Most tools process data client-side in your browser. We do not store, log, or transmit your input data to external servers. Your code, text, and data remain private.

Yes. All tools are built with a mobile-first, responsive layout using Bootstrap 5. They work seamlessly on phones, tablets, and desktop browsers.

Our formatter tools support 21 languages including HTML, CSS, JavaScript, TypeScript, JSON, XML, YAML, Markdown, SQL, PHP, Java, Python, Go, Rust, C, C++, C#, Swift, Kotlin, JSX, and TSX.

We offer 50+ SEO tools organized into sections: Meta & HTML tools, Content SEO, Technical SEO, Performance, Link Analysis, Structured Data, Website Analysis, URL tools, and Search Engine tools.

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