All tools › Rows and columns
Fixed-width parser
Splits lines whose columns are positions rather than delimiters.
It runs entirely in this browser tab: the documents you paste are never uploaded, and the tool makes no network request while it works. Open your browser's network panel and try it — nothing leaves the page.
Settings
- Field widths
- Leave it empty and the columns of spaces decide, which is right on a report.
- Field names
- One name a field, in order; missing ones are numbered.
- Trim the spaces
- Fixed-width fields are padded, and the padding is not the value.
- Padding characters
- Characters stripped from both ends of every field, beyond the spaces.
- Write it as
- Choices: CSV, JSON, Markdown.
How to use it
- Paste your text into the box above, or open a file.
- Adjust the settings beside it until the result is what you wanted.
- Copy the result, or save it as a file. The result updates as you type.
Questions
- Is what I paste uploaded anywhere?
- No. The whole tool is carried as WebAssembly and runs on your own device. That is the point of the group: the files these tools are for are exactly the ones you would not paste into somebody else's server.
- How big a file can it take?
- About a megabyte, and it says so rather than truncating quietly. Past that you are handing it a database rather than a document, and the input here is a text area — the editing view is capped at forty thousand characters and says so, though the tool still reads all of what you gave it.
- Why does it say it guessed?
- Because it did. Which format a document is, which delimiter a table uses and whether the first row is a header are all decided by looking at the text. Each guess is right almost always and each is printed on the result, because a converter that guessed silently and got it wrong would eat a file.
- Does it change my numbers?
- No. A number keeps the text it was written as, all the way through: `1.0` stays `1.0` and a thirty-digit identifier stays thirty digits. Nothing here is ever a floating-point value, which is why a sorted document differs from the original only where you asked it to.
Other tools for rows and columns
CSV columns
Picks, renames, reorders and filters the columns of a table.
Remove duplicate rows
Finds rows that are the same after normalising, and keeps the one you choose.
Merge and split tables
Joins tables by column name, or cuts one into parts that each keep the header.
Change CSV delimiter
Rewrites a file with another delimiter, quotation marks and decimal point.
Table to Markdown
A table as Markdown, HTML or lined-up text, with the columns aligned.
Markdown table editor
Adds, drops, moves or sorts a column and gives the table back with the pipes lined up.
HTML table to CSV
Pulls every table out of a page, merged cells filled in.
Table diff
Compares two tables on a key and shows what changed, cell by cell.
Anonymise a table
Replaces names, addresses and numbers, the same value the same way every time.
All thirty-five tools