Tools Notes: 1) Everything runs locally in your browser with no uploads. 2) For best performance, keep inputs under 1MB. 3) Read the privacy policy before use.
Lightweight utilities that run entirely in your browser, with no uploads.
Data Format Parser
Parse and format JSON or XML in one tool.
JSON ↔ XML Converter
Switch formats fast for debugging.
Timestamp Converter
Switch between seconds and dates.
Base64 Encoder/Decoder
UTF-8 friendly encoding tools.
Encrypt/Decrypt Tool
AES, DES, and RSA-OAEP in one place.
QR Code Generator
Optional center icon embedding supported.
UUID Generator
Supports UUID v4 and custom-length short IDs.
Case Converter
Convert between camelCase and snake_case.
Hash / HMAC Tool
Compute MD5, SHA, and HMAC values.
Regex Tester
Test matches, groups, and replacement output.
Text Diff
Line-based comparison for added/removed lines.
JSON Schema Validator
Validate JSON with common schema rules locally.
SQL Formatter
Format, minify, and change keyword casing.
Text Lines Toolkit
Dedupe, sort, remove empty lines and count duplicates.
JSONPath Query
Read values via dot path and array index.
HTML to Markdown
Convert HTML source into Markdown text.
Markdown to HTML
Convert Markdown text into HTML source.
Base Converter
Convert integer values between base 2 and base 36.
Color Toolbox
Color format conversion, smart palettes, and WCAG contrast checks.
URL Parser
Parse and rebuild URLs and query params.
JWT Parser
Decode header/payload and expiration locally.
IP/CIDR Calculator
Compute network, broadcast, and host ranges.
IP Integer Converter
Convert IPv4 and unsigned 32-bit integers.
DNS Lookup
Query common DNS records via DoH.
User-Agent Parser
Parse browser, OS, and device type.
Torrent to Magnet
Parse .torrent files locally and generate magnet links.
Random String Generator
Custom length and character sets.
Word to PDF Converter
Convert Word documents to PDF format.
PDF to Word Converter
Convert PDF documents to Word format.
Cron Expression Builder
Presets and validation for common schedules.