Devlys to Unicode only works if you name the right font
Devlys is a legacy Devanagari font. Pasted into Gmail or a website, the words turn into the wrong letters.
The Devlys characters are mapped through Kruti Dev and then written as Unicode. Paste the text. Nothing is uploaded.
If the Hindi comes out scrambled
The source must actually be Devlys. Unicode text run through this page will scramble. Test one sentence you can read before a whole document.
The other Hindi font tools are on the font tools page.
When Devlys to Unicode is the right page
Devlys to Unicode sits on this site because Devlys and Unicode are not interchangeable, even when they look similar in a file list. Devlys is a legacy Devanagari font. Pasted into Gmail or a website, the words turn into the wrong letters. Old templates that print correctly only in Devlys need a conversion before they can go on the web. Websites, phones, and current Word need Unicode, not a legacy font encoding.
The Devlys characters are mapped through Kruti Dev and then written as Unicode. Paste the text. Nothing is uploaded.
What you give up by leaving Devlys
Devlys is another legacy Devanagari font with its own character mapping. You must then set the Devlys font, or the legacy letters look wrong. Unicode text run the wrong way will scramble.
Keep the Unicode copy for the web. Keep the Devlys text only for the old template.
What you gain, and do not gain, with Unicode
The download has to be Unicode, because that is the format the next step named. Websites, phones, and current Word need Unicode, not a legacy font encoding. Once text is Unicode, any normal Hindi font can display it, including Mangal.
Test one sentence you can read before a whole document.
A test that matches the real file
Start from the question the other software asked. If it asked for Unicode, Devlys to Unicode is the matching page. If it asked for something else, switch tools instead of hoping a similar extension will pass. Devlys is a legacy Devanagari font. Pasted into Gmail or a website, the words turn into the wrong letters. The Devlys characters are mapped through Kruti Dev and then written as Unicode. Paste the text. Nothing is uploaded. The limit is the part people skip, and it is the part that decides whether the download is usable. The source must actually be Devlys. Unicode text run through this page will scramble. Test one sentence you can read before a whole document. The text stays in the browser. Try one line you can check before a whole document. Do not paste passwords. Check three things in the download: it opens, the Devlys material you cared about is still there, and the file size or the layout is what the form described. A new extension alone is not those three things. If a portal, a teacher, or a client rejects the file, send them the original Devlys as well when you are allowed to. Devlys to Unicode is a convenience copy. It is not a new master. Legacy Hindi fonts are not Unicode. Devlys to Unicode only works if you name the font the text was actually typed in. The wrong mapping produces words that look like Hindi and say something else. Convert one sentence you can read, compare it, then do the rest. Keep a copy of the original document.
Here is the decision for Devlys to Unicode. You start with Devlys and you stop when a real program accepts Unicode. Devlys can be mapped to Unicode, and Unicode can be mapped back for those old templates. Running Unicode through a Kruti Dev or Devlys converter scrambles real Hindi. If those two sentences describe a tradeoff you do not want, do not convert. Renaming the extension by hand will not do this job. Running the tool twice on its own output will not do it either.
The source must actually be Devlys. Unicode text run through this page will scramble. Test one sentence you can read before a whole document.
A related step, if you still need one, is Unicode to Devlys.
Other jobs start from the homepage, where each tool is named for the conversion it actually does.