URL Decode CSV
Decode percent-encoded values in every field of your CSV back into readable text. Free, private, and works entirely in your browser.
- Runs in your browser
- Nothing uploaded
- Free, no sign-up
URL-decode every field in a CSV file. Percent-encoded values are turned back into readable text while the CSV layout is preserved. Decoding runs entirely in your browser, so nothing is uploaded.
How to Use URL Decode CSV
- Paste your CSV. Drop the CSV text into the input box.
- Decode. Select the button to URL-decode each field.
- Read the result. Encoded sequences become their original characters.
- Copy the result. Use the copy button to grab the new CSV.
Frequently Asked Questions
Does it handle quoted fields?
Yes. Fields wrapped in quotes, including ones that contain commas or line breaks, are parsed and rebuilt correctly.
Does it decode the whole file or each field?
Each field is decoded on its own, so the CSV structure of rows and columns is preserved.
Is my data sent anywhere?
No. Everything runs in your browser, so the CSV you paste is never uploaded.
Is it free?
Yes. Every tool here is free to use with no sign up.
Related Tools
URL Encode CSV →
URL-encode every field of your CSV so special characters are safe to use in…
Add Quotes to CSV Online - CSV Quote Wrapper →
Add quotes to CSV fields instantly. Wrap values in double or single quotes, support…
Append CSV Columns →
Easily append columns in CSV files online. Merge datasets quickly with a free, secure…
Convert CSV Delimiter →
Convert CSV Delimiter between comma, tab, semicolon, pipe, or custom delimiters. Free, offline -…
Base64 to CSV Decoder →
Decode Base64 to CSV text - BOM stripped, delimiter auto-detected, URL-safe variant supported. Free,…
Convert CSV Columns to Rows →
Convert CSV Columns to Rows transpose tool. Converts columns to rows with RFC 4180…
Convert CSV Quote Character →
Convert CSV quote characters instantly with our free online tool. Replace single or double…
Convert CSV Rows to Columns →
online CSV transpose tool. Converts rows to columns with RFC 4180 quoted-field support. Client-side,…
Convert CSV to Base64 →
online CSV to Base64 encoder. Standard and URL-safe, MIME line-wrap, UTF-8 safe. Client-side, instant,…
Convert CSV to Text →
online CSV to plain text converter. RFC 4180 quoted-field support, custom joiner, strip quotes.…
Convert CSV to TSV →
online CSV to TSV converter. RFC 4180 parser, embedded-tab escape policy. Client-side, instant, secure…
Convert Text to CSV →
Convert plain text to RFC 4180 CSV (and back) with proper quoting, header rows,…