ChatGPT Free Tools Hub

Curated practical ChatGPT online tools, all free to use, helping you use AI efficiently.

Token Calculator

Live calculate GPT text Token quantity and API call costs, supports Chinese and English.

GPT-4Cost Estimate

downgrade detector

Check if your ChatGPT has been downgraded via 4 standardized tests, with auto scoring.

downgradetestCapability Assessment

IP quality check

Check if IP is Residential or Datacenter, assess account ban risk when using ChatGPT.

Residential/DatacenterRisk Score

ChatGPT Availabilitycheck

Live check if ChatGPT official website is accessible, determine if your region is restricted.

AvailabilityLive

Online JSON formatter, compression, validation, escaping, supports syntax highlighting and error hints.

developersformatter

regular expressiontest

Online regex test tools, Live highlight matching results, supports capture groups and common regex cheat sheet.

developersregex

Timestamp Conversion

Unix timestamp and date conversion, supports seconds/milliseconds, Live display current timestamp.

Word Count Stats

Live stats of Chinese/English word count, character count, line count, paragraph count, estimate reading time.

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