COMPLETE INDEX
Twenty tools. No account.
Every utility runs on the client and includes a concise field guide for the format it handles.
JSON Formatter & Validator
Format, minify and validate JSON with precise error feedback.
Open toolBase64 Encoder & Decoder
Encode Unicode text to Base64 or decode it back safely.
Open toolUUID v4 Generator
Generate one or many cryptographically random UUID v4 values.
Open toolUnix Timestamp Converter
Convert local dates into Unix seconds, milliseconds, ISO and UTC.
Open toolURL Encoder & Decoder
Encode query values or decode percent-encoded URL components.
Open toolSHA Hash Generator
Create SHA-256, SHA-384 and SHA-512 digests from text.
Open toolJWT Decoder
Inspect JWT headers, payloads and expiration times locally.
Open toolHTML Entity Encoder & Decoder
Escape HTML-sensitive characters or restore entity text.
Open toolHEX, RGB & HSL Color Converter
Convert CSS colors between HEX, RGB and HSL formats.
Open toolRegular Expression Tester
Test JavaScript regex patterns and inspect every match.
Open toolWord, Character & Line Counter
Count words, characters, lines and UTF-8 bytes.
Open toolText Case Converter
Convert text to camelCase, snake_case and common styles.
Open toolURL Slug Generator
Turn a title into a clean, lowercase URL slug.
Open toolSecure Password Generator
Generate strong passwords with browser cryptographic randomness.
Open toolBinary, Decimal & HEX Converter
Convert integers across binary, octal, decimal and hexadecimal.
Open toolCSV to JSON Converter
Convert header-based CSV to JSON and JSON arrays back to CSV.
Open toolQuery String Parser & Builder
Parse URL parameters into JSON or build a query string.
Open toolJSON to TypeScript Interface
Infer a readable TypeScript interface from JSON data.
Open toolLine Sorter
Sort text lines ascending or descending with locale-aware order.
Open toolDuplicate Line Remover
Remove repeated lines while preserving their first occurrence.
Open tool