100% Free · In-Browser Tools

Simple tools for everyday tasks.

Convert, compress, edit, calculate, generate, and transform files — quickly and securely right in your browser with zero server uploads.

Popular Tools

Frequently used utilities by thousands of creators and developers.

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Organized suites of tools designed for your specific workflow.

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35 tools

Image Tools

Convert, compress, resize, crop, edit, and analyze images right in your browser with zero server uploads.

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17 tools

PDF Tools

Merge, split, compress, convert, protect, and edit PDF documents locally on your device.

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21 tools

Developer Tools

Format JSON/XML, encode Base64/JWT, compute hashes, generate UUIDs, test RegEx, and convert code.

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16 tools

Text Tools

Word count, character analysis, case conversion, diff checking, deduplication, and text transformations.

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19 tools

Calculators & Math

Loan EMI, compound interest, SIP, percentage, age, date difference, salary, and financial math calculators.

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14 tools

Color / CSS / Design

Color pickers, palette generators, CSS Box Shadow, Glassmorphism, Gradients, and SVG optimizers.

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4 tools

Security & Privacy

Strong password generators, cryptographic hashing, passphrase generation, and metadata scrubbing.

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8 tools

Unit Converters

Convert Length, Weight, Temperature, Area, Speed, Volume, Data Storage, Pixels to REM, and CSS units.

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9 tools

QR & Barcode

Generate customized QR codes for URLs, Wi-Fi, vCards, UPI, and create standard 1D/2D barcodes.

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16 tools

Video Tools

Batch compress, convert MP4/WebM/GIF, trim, crop, resize, rotate, extract frames, merge, and edit video audio in your browser.

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5 tools

Audio Tools

Convert MP3/WAV/FLAC/OGG, compress audio, trim clips, change speed, boost volume, and view waveforms.

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4 tools

File Utilities

File type detector, MIME lookup, file hash checker, and file size converter.

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1 tools

Browser AI & Smart Tools

100% In-browser Web Speech text-to-speech engine.

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Why use Shadow Toolkit?

Built with client-side architecture so you get privacy and instant performance without compromise.

100% In-Browser Privacy

Your images, files, financial numbers, and documents are processed locally inside your web browser. Nothing is ever uploaded to remote servers.

Instant Execution

Zero upload waiting time. Conversions and calculations run directly using your device CPU and modern Web APIs for blazing fast results.

100% Free

No signups, no subscriptions, no credit cards, and no artificial file size limits. Every tool is completely free for everyone.