Choose from over 100 practical tools for text, code, images, generators and more. All tools work directly in your browser – simple, fast and free.
Generate secure Argon2 password hashes
Verify passwords against Argon2 hashes
Text ↔ Base64
Analyze and inspect X.509 certificates
Create PNG/JPEG/WEBP from code with highlighting and theme
Let the coin flipper randomly pick between two options when you can't decide.
Convert between JSON, YAML, TOML, XML
Parse cron expressions and see next execution times
Inspect Received hops and auth results
Create favicon sets from an image
Formatting for JSON, XML, YAML, TOML, SQL
Cleans copied ChatGPT / AI text
Compress & decompress (Gzip)
Compute hash from text
Pick HEX/RGB/HSL, check contrast, and keep a palette
Encode & decode HTML entities
Create HTTPS certificates signed by your Root CA
Reduce / optimize image size
Change format between PNG/JPG/WebP
Convert images to/from Base64
Decode, validate and inspect JWT tokens
Format text for LinkedIn posts with bold, italic, and more
Generate placeholder text
Live preview with GFM support
Generate secure passwords
Generate QR code from text
Explain regex patterns and preview matches
Create a self-signed Root Certificate Authority
Compare two text blocks
MD5 / SHA hashing
Generate Mermaid diagrams from plain text
Convert schedule times into cron expressions
Safely encode & decode URLs
Generate random UUID
Validate JSON, XML, YAML, TOML