Free tools for spreadsheets, data and websites
Small tools that do one job well. Each one runs in your browser, so your data is never uploaded, and none needs an account.
CSV cleaner
Trim spaces, drop blank rows and duplicates, tidy headers and fix mixed date formats. Download as CSV or XLSX.
Open tool →CSV ↔ JSON converter
Convert in both directions with correct quotes, commas and line breaks. Optional number and boolean detection.
Open tool →Lookup formula builder
Build XLOOKUP, VLOOKUP or INDEX/MATCH for Excel and Google Sheets, with a plain-English explanation.
Open tool →Meta tag checker
Paste a page’s HTML and check title, description, headings, alt text and social tags, with previews.
Open tool →Cron builder & explainer
Read any cron expression in plain English, see the next run times, or build one from presets.
Open tool →Need more than a quick fix? We build spreadsheets, landing pages and Python automations at a fixed price, delivered in days.
See what we build