Building real things, in public
Notes from DEMHA FUTURE — how we build apps fast with AI, and what we learn.
CSS Grid Generator — free online tool
Build a CSS grid by clicking — set columns, rows and gaps, then copy the code. Free and online, right in your browser, nothing uploaded.
CSS Loader Generator — free online
Make a loading spinner and copy the CSS, right in your browser. Free online tool, nothing uploaded — pick a style, set color and speed, paste it in.
CSS Minifier & Beautifier — free online
Shrink CSS to load faster or tidy it up to read it, free and online, right in your browser with nothing uploaded.
CSV Cleaner — free online tool
Tidy up a messy CSV right in your browser — fix quoted fields and download a clean file, free and online, with nothing uploaded.
CSV Column Editor — free online tool
Reorder, rename, or hide columns in a CSV right in your browser, then download a clean file. Free and online, nothing is uploaded.
Remove Duplicate Rows from CSV — free online
Clean a CSV by deleting repeated rows right in your browser — free, nothing uploaded. Paste or upload, pick the columns, get a tidy file back.
Filter CSV Rows — free online tool
Upload a CSV, set column conditions, and keep only the rows that match. Free and online, right in your browser, nothing uploaded.
Merge CSV Files — free online tool
Combine several CSV files into one, free and online, right in your browser. Nothing is uploaded, and the columns line up for you.
Split CSV File — free online tool
Split a big CSV into smaller files right in your browser, free and online. Pick by row count or number of files, nothing uploaded.
CSV to Excel Converter — free online
Turn a CSV file into a real Excel (.xlsx) right in your browser, free and online. Nothing is uploaded, no sign-up, no watermark.
Get new posts
Soon you'll be able to drop your email and get new posts — no account, no spam.
Email sign-up isn't live yet — nothing is collected for now.