codegenerato.rs
Essential Developer Tools

Developer Tools

A comprehensive collection of tools to boost your productivity. All tools run 100% locally in your browser with zero data collection.

Total Tools
12
Categories
8
Privacy First
100%
Free Forever
✓

Data

3 Tools
Data

JSON Validator & Formatter

Validate, format, and beautify your JSON data with ease.

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Data

List Randomizer

Shuffle and randomize any list. Import from CSV, Excel, or add items manually. Save and reload versions.

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Data

JSON SQL Analyzer

Query massive JSON files locally with SQL. Supports 500MB+ files, NDJSON, nested objects, and zero-upload privacy.

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Security

1 Tool
Security

JWT Decoder

Decode and inspect JSON Web Tokens to check their payload and signature.

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Encoding

2 Tools
Encoding

Base64 Encoder / Decoder

Quickly encode strings to Base64 or decode them back to their original form.

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Encoding

URL Encoder / Decoder

Encode and decode URLs with multiple encoding methods. Parse URL components and query parameters.

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Time

2 Tools
Time

Timestamp Converter

Convert timestamps, dates, and time units. Calculate epoch dates for day, month, or year.

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Time

Timer & Stopwatch

Accurate countdown timer and stopwatch with persistent state and sound alerts.

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Text

1 Tool
Text

Text Counter & Analyzer

Count characters, words, lines, paragraphs, and sentences. Get reading and speaking time estimates.

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Development

1 Tool
Development

Keyboard Event Monitor

Monitor and test keyboard events in real-time. See key codes, locations, and event properties.

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CSS

1 Tool
CSS

CSS Unit Converter

Convert between CSS units: rem, em, px, %, vw, vh, pt, and more. Bidirectional with customizable base sizes.

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Content

1 Tool
Content

Teleprompter

Privacy-first teleprompter with voice control, mirror mode, markdown support, and custom fonts. Perfect for video creators.

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