APR Calculator
Estimate monthly payment, total interest, and APR from loan amount, term, and upfront fees.
Privacy-aware utilities for time workflows, diagnostics, email setup, and file conversion. The core suite stays lightweight, direct, and useful from the first click.
Key utilities run client-side where privacy matters most.
Built for practical work: DNS, ports, timestamps, and formats.
Fast navigation and tighter layouts instead of dashboard sprawl.
These workflows now get the clearest placement, strongest calls to action, and the most polished interaction patterns across the suite.
Estimate monthly payment, total interest, and APR from loan amount, term, and upfront fees.
Convert timestamps, inspect cron expressions, compare ranges, and work across timezones from one workspace.
Measure WPM, CPM, accuracy, and mistakes with a focused browser-based typing test.
Audit SPF, DKIM, DMARC, MX, and alignment signals with clearer risk scoring and suggested fixes.
Inspect public A, MX, TXT, nameserver, DNSSEC, and modern HTTPS records for any domain.
Scan the current page for third-party trackers, review active network signals, and clear local site data safely.
Test whether a remote port is reachable without leaving the browser or juggling terminal commands.
Shorter cards, faster scanning, and quick-action buttons replace the older wall of equally weighted panels.
Run common format conversions locally so your source files stay on your device.
Turn CSV and spreadsheet data into JSON, plus a few focused media conversion shortcuts.
These official Redsols apps are easy to access alongside the core tools on this site.
Email marketing workflows for campaigns, growth, and outreach.
A high-performance browser video player with conversion utilities.
Cross-platform task tracking with simple access from any browser.
A lightweight tracker for reps, attendance, or anything worth counting.
Realtime PATH train schedules and live train tracking.