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Choose a travel eSIM around destinations, data and validity

Buy ebooks with browser and downloadable reading routes

Molecular-biology quantities with visible formulas

Calculators for primers, reaction setup and molecular quantities

Check TLS protocols and ciphers from the command line

Validate route origins against RPKI data

Inspect a sample message for deliverability problems

Compare PDF pages visually and export highlighted differences

Count text and set writing goals

Build a resume while checking the free export and renewal boundary

Request a ride now or reserve ahead in a supported city

AI-powered conversion analysis for landing pages, marketing sites and product pages.

A mental health app with meditations, sleep tools, coaching, and online therapy.

AI resume builder with job match scoring and auto job search.

Sendsteps is a learning loop platform for education.

Count words and inspect text statistics

Count characters, spaces and paragraphs

Test matching, substitution and extraction rules

Receipt rewards with personalised purchase offers

Search checkout coupons through a browser extension

Original series, films and separately labelled viewing offers

Preflight and fix print PDFs inside Acrobat

Compare answers from ChatGPT, Claude, Gemini and other AI models side by side.

Solve and inspect mathematical expressions