Bulk URL Encoder
URL-encode many lines at once. Paste a list of values or URLs and encode each line independently.
Part of the free URL Encoder. Runs in your browser — nothing is uploaded.
Bulk URL Encoder
When you have a column of search terms or callback URLs, encode each line on its own. The tool treats every line as a separate value so one bad character does not spoil the rest.
Worked example: Three query values
Text
hello world café a&b=c
Encoded
hello%20world caf%C3%A9 a%26b%3Dc
Practical tip
Keep one value per line. A raw comma-separated list will encode the commas, which is usually not what you want.
How to use this URL Encoder
- 1Use the live tool above — it runs entirely in your browser and never uploads your data.
- 2Paste the sample from the worked example, or use your own input.
- 3Copy the result, then adapt the same steps in your editor, script, or pipeline.
Bulk URL Encoder FAQs
Does bulk encode change line breaks?
No. Each line is encoded independently and written back on its own line.
Can I encode a whole CSV?
Encode the cells, not the file. A CSV needs its commas left intact so spreadsheet software can split columns.
More URL Encoder pages
- URL Encode Spaces to %20Turn spaces into %20 with encodeURIComponent. See the difference between %20 and +, and encode any string online.
- encodeURIComponent OnlineRun encodeURIComponent in the browser. Encode query values, JSON snippets and reserved characters exactly as JavaScript does.
- URL Encode Special CharactersPercent-encode &, =, ?, # and / so they can sit safely inside a query value. Free online URL encoder.
- Encode Query String ParametersPercent-encode query parameter values before building a URL. Avoid broken requests caused by spaces, ampersands and Unicode.
- URL Encode UTF-8 and UnicodePercent-encode accents, non-Latin letters and emoji as UTF-8 bytes. See why café becomes caf%C3%A9.
- HTML Form URL Encoding (Spaces as +)Encode text the way HTML forms do: spaces become +, and other reserved characters become %HH. application/x-www-form-urlencoded.
- encodeURI vs encodeURIComponentSee the difference between encodeURI and encodeURIComponent on the same URL. Learn which one belongs in query values.
- Encode a URL for an API RequestPercent-encode path and query values before calling an API. Avoid 400s caused by spaces, Unicode and reserved characters.
- URL Encode & and =Encode & as %26 and = as %3D so they can appear inside a single query value without breaking the string.