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Practical Tech Intelligence & Free Developer Utilities

A curated collection of instant browser tools for developers, AI prompt engineers, and tech enthusiasts — backed by in-depth hardware reviews and industry intelligence.

Instant Browser Utilities

Fast, zero-latency tools that execute completely inside your browser. No data leaves your machine.






AI Prompt Token Counter & API Cost Estimator

Count tokens, words, and calculate real-time API request costs across top LLMs.

Estimated Tokens
0
Words Count
0
Characters
0

Estimated Input Cost per Prompt:
GPT-4o ($2.50 / 1M)
$0.00000
Claude 3.5 Sonnet ($3.00 / 1M)
$0.00000
Gemini 1.5 Pro ($1.25 / 1M)
$0.00000


Cryptographic Password & Entropy Checker

Generate high-entropy, crack-resistant passwords using Web Crypto API.






Entropy Score: 0 bits
Crack Resistance: N/A

Google SERP Snippet & Meta Tag Previewer

Test desktop and mobile snippet appearance, pixel bounds, and character length.





Google Search Result Preview
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Tech Hubs News
https://techhubsnews.com › …

Tech Hubs News | Artificial Intelligence, Gadgets & Trends

Explore breakthroughs in artificial intelligence, practical machine learning tools, smartphone reviews, and digital privacy strategies on Tech Hubs News.

JSON Validator, Beautifier & Minifier

Validate syntax, repair format, and clean up messy JSON payloads instantly.

Status: Ready for input




Base64 & Cryptographic Hash Generator

Encode/Decode Base64 strings and generate SHA-256 and MD5 hashes.




Internet Bandwidth & File Download Calculator

Calculate exact transfer times based on file size and connection bandwidth.



Quick Presets:




Estimated Download Duration:

20 minutes 0 seconds

Effective transfer rate: ~12.50 MB/second

Knowledge Silos & In-Depth Coverage

Browse our core publication categories — written by tech engineers, researchers, and hardware reviewers.