About Hasare

Hasare is a collection of free, fast, and secure developer tools that run entirely in your browser.

Our Mission

We believe developer tools should be simple, fast, and respect your privacy. That's why every tool on Hasare processes data locally in your browser - your sensitive code, API keys, and data never leave your device.

Why Choose Hasare?

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100% Private

All processing happens in your browser. No data is sent to any server.

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Lightning Fast

Instant results with zero network latency. No waiting for servers.

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Always Free

No sign-up, no limits, no premium tiers. Free forever.

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Works Everywhere

Use on any device with a modern web browser. Desktop, tablet, or mobile.

Our Tools

We currently offer 29 developer tools:

URL Encoder - Encode or decode URLs securely.
Base64 Encoder - Encode and decode Base64 strings.
Character Counter - Count characters, words, and lines.
JSON Formatter - Beautify and validate JSON data.
Diff Checker - Compare text or code side-by-side.
Hash Generator - Generate MD5, SHA-1, SHA-256 hashes.
SVG to PNG - Convert SVG code or files to PNG.
URL Parser - Analyze URL components and params.
YAML to JSON - Convert between YAML and JSON.
Image Compressor - Compress PNG, JPG & WebP images locally.
JWT Decoder - Decode and inspect JWT tokens.
UUID Generator - Generate random UUIDs instantly.
Color Converter - Convert colors between HEX, RGB, HSL.
Cron Generator - Build cron expressions visually.
Regex Tester - Test regular expressions live.
CSV to JSON - Convert CSV data to JSON format.
Text Case Converter - Convert between camelCase, snake_case, kebab-case, and more.
HMAC Generator - Generate HMAC-SHA256 and HMAC-SHA512 signatures.
JSON to CSV - Convert JSON data to CSV format.
HTML Beautifier - Beautify and minify HTML code.
Password Generator - Generate secure random passwords.
Slug Generator - Convert text to URL-friendly slugs.
Lorem Ipsum Generator - Generate placeholder text for mockups.
Text Encryption - Encrypt and decrypt text with AES.
Unix Timestamp - Convert timestamps to dates and vice versa.
CSS Minifier - Minify CSS to reduce file size.
QR Code Generator - Generate customizable QR codes instantly.
Age Calculator - Calculate your exact age in years, months, and days.
Date Difference Calculator - Calculate duration between two dates.

Technology

Hasare is built with modern web technologies including Astro, React, and TypeScript. We use client-side JavaScript libraries for all data processing, ensuring your data stays on your device.

Contact Us

Have questions, feedback, or suggestions for new tools? We'd love to hear from you!

Email: support@hasare.com