Developer tools,
built to disappear.
Fast, private utilities for modern workflows. Everything runs in your browser — no accounts, no uploads, no noise.
12 tools · all client-side
JSON Formatter
Pretty print, validate, minify, and inspect JSON with structured tree output.
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JWT Debugger
Decode token headers and payloads instantly with expiration awareness.
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Base64 Converter
Encode and decode text or files with URL-safe support.
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Timestamp Converter
Convert Unix timestamps and human-readable dates with live updates.
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Password Generator
Create strong random passwords with configurable complexity controls.
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URL Encoder
Encode or decode full URLs and individual URI components cleanly.
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Regex Tester
Test patterns in real time with group matching and match highlights.
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HTML Entities
Convert special characters to entities and decode them back instantly.
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Color Converter
Switch between HEX, RGB, and HSL with live color preview.
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Cron Generator
Build cron expressions visually and validate schedules in plain English.
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PDF Tools
Merge, split, compress, and protect PDFs directly in your browser.
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AI Text Sanitizer
Strip PII from text before prompting AI. Masks SSNs, accounts, emails, and more.
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Privacy
Built different.
Your data stays yours.
Private by design
Every tool runs entirely in your browser. Your files and data never touch a server.
Instant
No upload queues, no API round-trips. Results are immediate, every time.
Works offline
After the first load, all tools continue to work with no internet connection.