Free Online Tools
Fast, private, client-side tools for developers, writers, and designers. Nothing is sent to a server — everything runs in your browser.
Business Tools
1Text Tools
5Word Counter
Count words, characters, sentences, paragraphs, and reading time.
Case Converter
Convert text between UPPERCASE, lowercase, camelCase, snake_case, and more.
Lorem Ipsum Generator
Generate placeholder lorem ipsum text by paragraphs, sentences, or words.
Markdown Preview
Live markdown editor with side-by-side preview. Supports all common syntax.
Text Diff
Compare two texts side by side. Highlights additions, deletions, and changes.
Developer Tools
10JSON Formatter
Format, validate, and pretty-print JSON with syntax highlighting.
Base64 Encoder / Decoder
Encode and decode Base64 strings directly in your browser.
UUID Generator
Generate random UUID v4 values. Bulk generate and copy to clipboard.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text.
Regex Tester
Test regular expressions with live match highlighting and capture groups.
CSS Gradient Generator
Build linear and radial gradients visually. Copy the CSS output instantly.
HTML Entity Encoder
Encode and decode HTML entities. Handles <, >, &, quotes, and Unicode.
URL Encoder / Decoder
Encode and decode URL components using encodeURIComponent.
Timestamp Converter
Convert Unix timestamps to ISO 8601, human-readable dates, and back.
JWT Decoder
Decode JWT tokens and inspect the header and payload. No verification.