Advanced Tools
Advanced commercial utilities — amortization schedules, experiment design, subnet planning, and specialist workflows for professionals.
38,918 tools · Page 2 of 1622
Markdown Preview Desk
Write Markdown and preview a lightweight HTML render.
Advanced
OpenProposal Desk
Draft freelance proposal outlines by service and industry.
Advanced
OpenQuiz Builder
Draft quiz questions by type and difficulty.
Advanced
OpenRate Desk
Build illustrative freelance rate cards from income targets.
Advanced
OpenReadability Studio
Score prose with simple readability heuristics.
Advanced
OpenRegex Workbench
Test regular expressions with match highlighting and capture groups.
Advanced
OpenRelease Desk
Compare, bump, and check SemVer ranges for release engineering.
Advanced
OpenRewrite Desk
Rule-based paraphrase and tone reshaping for drafts.
Advanced
OpenRubric Studio
Create scoring rubrics with criteria and performance bands.
Advanced
OpenSample Size Lab
Design A/B proportion and continuous two-sample tests with power and alpha.
Advanced
OpenSchema Guard
Validate JSON payloads against practical JSON Schema checks.
Advanced
OpenSpec Sheet
Interactive social media size and duration checklist.
Advanced
OpenSQL Format Lab
Pretty-print SQL with dialect labels and keyword case controls.
Advanced
OpenSubject Lab
Generate multiple email subject line options for a topic.
Advanced
OpenSubnet Commander
Interactive IPv4 CIDR planner with mask, broadcast, and host ranges.
Advanced
OpenTimestamp Desk
Convert Unix/epoch timestamps for logs and APIs.
Advanced
OpenTone Studio
Short workplace messages for Slack, Teams, and LinkedIn.
Advanced
OpenUUID / ID Desk
Generate UUID, ULID, and NanoID-style identifiers.
Advanced
OpenVideo Prep Studio
Upload your own video, trim/compress/poster, then download — no URL fetch.
Advanced
OpenUSD 6-Month Monthly Reducing balance Amortization
Full US Dollar loan schedule for 6 months (monthly, reducing balance).
Advanced
OpenUSD 6-Month Monthly Flat rate (illustrative) Amortization
Full US Dollar loan schedule for 6 months (monthly, flat rate (illustrative)).
Advanced
OpenUSD 6-Month Biweekly Reducing balance Amortization
Full US Dollar loan schedule for 6 months (biweekly, reducing balance).
Advanced
OpenUSD 6-Month Biweekly Flat rate (illustrative) Amortization
Full US Dollar loan schedule for 6 months (biweekly, flat rate (illustrative)).
Advanced
OpenUSD 6-Month Weekly Reducing balance Amortization
Full US Dollar loan schedule for 6 months (weekly, reducing balance).
Advanced
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