Overview of on-line services for converting Latex formulas into pictures

Sometimes you want to insert a formula in a blog or forum, and to do it beautifully. The article provides an overview of the services providing such a service.

For the test, we will apply the following formulas:

\ mathrm {e} ^ {x} = 1 + x + \ frac {x ^ 2} {2!} + \ frac {x ^ 3} {3!} + \ cdots = \ sum ^ {\ infin} _ { n = 0} \ frac {x ^ n} {n!}, x \ in \ mathbb {C}

\ frac {d \ vec {V}} {dt} = - (1- \ varepsilon) \ nabla_ \ sigma \ Phi + \ alpha \ vec {k} \ times {f}

1. mathURL

After inserting your code, it generates a short link to a page with a picture. If you add .png to this address, you will get the direct address of the image.
Let's look at our formulas:

• Supports AMS-LaTeX package.
• There is a toolbar with mathematical signs and symbols.
• You can change the style of design of the formula.
• The picture can be in the formats gif, png.
• Does not understand Cyrillic.

2. codecogs.com

Positioning itself as on-line editor.

• There is a toolbar with mathematical signs and symbols.
• You can change not only the design style of the formula, but the font and size.
• Does not understand krillitsu.
• Does not generate a direct link to the editor page.

3. astronet.ru

Russian-language service.

• Cyrillic is supported.
• Converts formulas to gif format only.
• Did not cope with the first formula.
• Formulas are required to be wrapped with $ tags.
• Added a toolbar.

4. en.numberempire.com

Equation editor .

• The picture is saved in png format.
• You can change the style of design of the formula.
• There is a toolbar with mathematical signs and symbols.
• Cyrillic is not supported.
• You can not make a direct link to the page with the formula.

5. Texify

• Can not directly insert pictures. First they need to pour on a third-party hosting.
• Support for short links to the page with the formula.
• Generates several images with different font sizes.
• No toolbar. But you can use the help .
• Saves to gif format.

Note : if you have Linux installed, you can use the textogif utility (by John Walker). In the simplest case:

$ textogif filename

Here filename is a file with the formula filename.tex, it will be converted to a file filename.gif. Work requires additional programs .
Note 2 : Google Docs can also handle formulas typed in . They wrote about it here .
Note 3 : Wikipedia can do this too (wrap the formulas in the <math> tag).

If someone knows other resources - write, add to the topic.

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lockal prompted the service www.math.union.edu/~dpvc/jsMath/
Displays -expressions directly in the browser using javascript without third-party converters. Especially convenient to use for preview when entering.

mephistopheies wrote about the LaTeX Practice Box , in which you can not only type the formulas, but also adjust the font size with the tags small, tiny, etc.