Free Productivity Tools

A collection of practical, privacy-focused tools for developers and writers. Built with care, free to use, all processing in your browser.

Showing all 29 tools

Clean AI Text

Strip fancy formatting from LLM output. Highlights and removes smart quotes, long dashes, and invisible Unicode.

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JSON Formatter

Format, validate, and beautify JSON data. Minify or prettify with syntax highlighting and error detection.

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Text Diff Checker

Compare two texts side-by-side. Highlights additions, deletions, and modifications with line-by-line comparison.

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Word Counter

Analyze text statistics: word count, character count, reading time, and readability score for writers.

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Case Converter

Convert text between camelCase, snake_case, kebab-case, UPPERCASE, lowercase, and Title Case formats.

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Base64 Encoder

Encode and decode Base64 strings. Perfect for data URIs, API tokens, and binary data transmission.

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URL Encoder

Encode and decode URL parameters and query strings. Clean and format URLs for web development.

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Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes. Verify file integrity and create secure signatures.

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Markdown Preview

Live Markdown editor with instant preview. Write in Markdown, see formatted HTML in real-time.

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Lorem Ipsum

Generate placeholder text for designs and mockups. Paragraphs, words, or bytes in multiple languages.

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Password Generator

Create strong, secure passwords with customizable length and character types. Built-in strength meter.

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Color Converter

Convert colors between HEX, RGB, HSL, and HSV formats. Live color picker and preview.

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Regex Tester

Test regular expressions with live matching. Syntax highlighting, flags, and match extraction.

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CSV / JSON Converter

Convert between CSV and JSON formats. Custom delimiters, header detection, bi-directional conversion.

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JSON Diff Viewer

Compare two JSON objects and see what changed. Visual highlighting of added, removed, and modified fields.

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JWT Encoder/Decoder

Encode and decode JWT tokens with visual editor. Debug authentication, test APIs, understand token structure.

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QR Code Generator

Create custom QR codes with gradients, shapes, logos, and professional styling options.

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Image Compressor

Compress images while maintaining quality. Batch processing, resize options, multiple formats support.

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Timestamp Converter

Convert Unix timestamp to human-readable date and vice versa. ISO 8601, UTC, local time, relative time.

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Number Base Converter

Convert between Binary, Decimal, Hexadecimal, and Octal number systems. Perfect for programming.

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Text Line Tools

Sort lines, remove duplicates, trim whitespace. Perfect for cleaning lists, emails, and data.

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YAML / JSON Converter

Convert between YAML and JSON. Perfect for Docker Compose, Kubernetes, and CI/CD configs.

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SQL Formatter

Format and beautify SQL queries. Support for MySQL, PostgreSQL, T-SQL, PL/SQL.

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Cron Expression Builder

Visual cron expression builder. See human-readable descriptions and next execution times.

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PDF Optimizer

Compress and optimize PDF files. Reduce size while maintaining quality. Batch processing support.

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Text to Speech

Convert text to natural speech. Multiple voices, adjustable speed, pitch, and volume. Perfect for accessibility.

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File Hash Calculator

Calculate MD5, SHA-1, SHA-256, SHA-512 hashes for any file. Verify integrity and authenticity.

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Color Palette Generator

Extract beautiful color palettes from images. Get HEX, RGB, HSL values. Perfect for designers.

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Code Beautifier

Format and beautify HTML, CSS, JavaScript, JSON. Customizable indentation and clean output.

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Philosophy

After years building products, I got tired of bloated SaaS tools that track everything. These utilities do one thing well: solve specific problems without the overhead.

Browser-only processing. Zero server uploads. Zero tracking. Zero accounts. Your data never leaves your device.

Why These Tools

  • →Privacy-first: all processing happens locally in your browser
  • →No registration, no accounts, no paywalls
  • →Fast and lightweight - no bloat, just functionality
  • →Open-source philosophy - built by developers, for developers