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Media conversion with interactive clip selection

Check which resolvers answer browser DNS tests

Exam preparation courses, mock tests and study resources for Indian government and banking careers.

Music playback with lyrics and sound controls

School-entry books, assessment papers, mock tests and online practice.

Estimate book reading time using your own pace

Multitrack editing and keyframed motion for small projects

Mobile media playback from local, network and cloud sources

AI quiz and question generator for teachers and students

AI assistant for Git repositories that chats with codebases and generates documentation and tests.

Throughput and responsiveness tests from the continuing iperf2 project

Test matching, substitution and extraction rules

AI user testing with synthetic and human testers, run inside the tools you already use.

AI English speaking app for IELTS, TOEIC, and TOEFL practice

Independent TOEFL and TOEIC preparation with online practice, guides and sample tests.

Statistical calculations with method-selection guidance

Browser-based statistics from pasted data

Focused statistics tools for research calculations

Web and network diagnostics grouped in one toolbox

Cloud learning and certification preparation with courses, practice tests and hands-on labs.

AI survey simulation that builds virtual audiences and returns simulated feedback.

Compare Spanish train services, fares and travel options

Coding bites with starter code, tests and discussion

Norwegian consumer-technology tests, news and guides