Modern Web Tools

Encode text or files to Base64 or decode Base64 back to original format. 100% secure - all processing happens in your browser with no server uploads.

Encode or decode URLs online with this free tool. Convert special characters for safe web use and fix broken links. 100% private - all processing in browser.

Create MD5 hash values from text or files instantly. Verify file integrity with this secure online MD5 checksum tool. All processing happens locally in your browser.

Encrypt or decrypt text and files with industry-standard AES algorithm (128, 192, or 256-bit). All processing happens in your browser with no server uploads.

Format, validate and beautify JSON data with syntax highlighting. Fix invalid JSON, compare structures, and convert between formats. No data sent to servers.

Generate secure, random passwords with customizable length and complexity. Create strong passwords for your accounts with special characters, numbers, and more. No data stored.

Generate, edit, and understand cron expressions for scheduling tasks. Easy-to-use crontab editor for Linux, Unix, and Quartz. Test your cron jobs.

Convert between PNG and JPG image formats online. Transform PNG to JPG or JPG to PNG with high quality and no watermarks. All processing happens in your browser.

Crop images, photos and animated GIFs online with precision. Create circular crops, adjust dimensions, and customize aspect ratios with this free browser-based tool.

Convert JSON to YAML and YAML to JSON online. Transform data structures and configuration files instantly in your browser. No server uploads required.