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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:

##### 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:

##### 2. codecogs.com

Positioning itself as on-line editor.

##### 3. astronet.ru

Russian-language service.

##### 4. en.numberempire.com

Equation editor .

##### 5. Texify

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

**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.

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.

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}

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.

- 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.

- 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.

- 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.

- 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.

$ textogif filenameHere filename is a file with the formula filename.tex, it will be converted to a file filename.gif. Work requires additional programs .

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

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.

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Source: https://habr.com/ru/post/100938/