A small website based on javascript for converting as much LaTeX-tags to their corresponding Unicode-symbols as possible. A running demo can be found at this location.
The following tags are currently supported (some of them only partially due to lack of suitable symbols):
| \alpha | \Downarrow | \leqq | \oslash | \star |
| \amalg | \ell | \lfloor | \otimes | \subset |
| \angle | \emptyset | \lhd | \P | \subseteq |
| \approx | \epsilon | \ll | \parallel | \succ |
| \arccos | \equiv | \lneqq | \partial | \succeq |
| \arccot | \eta | \lnsim | \perp | \sum |
| \arcsin | \eth | \longleftarrow | \phi | \supset |
| \arctan | \exists | \Longleftarrow | \Phi | \supseteq |
| \ast | \flat | \longleftrightarrow | \pi | \surd |
| \asymp | \forall | \Longleftrightarrow | \Pi | \swarrow |
| \backslash | \frac | \longmapsto | \pm | \tan |
| \bar | \frown | \longrightarrow | \prec | \tanh |
| \beta | \gamma | \Longrightarrow | \preceq | \tau |
| \bigcirc | \Gamma | \lor | \prime | \textbf |
| \bigtriangledown | \ge | \mapsto | \prod | \textit |
| \bigtriangleup | \geq | \mathbb | \propto | \theta |
| \blacksquare | \gets | \mathcal | \psi | \theta |
| \bot | \gg | \mathfrak | \Psi | \Theta |
| \bowtie | \gneqq | \measuredangle | \rangle | \Theta |
| \Box | \hbar | \mho | \rceil | \times |
| \boxtimes | \heartsuit | \mid | \Re | \top |
| \bullet | \hookleftarrow | \models | \rfloor | \triangle |
| \bumpeq | \hookrightarrow | \mp | \rhd | \triangleleft |
| \cap | \idotsint | \mu | \rho | \triangleright |
| \cdot | \iff | \nabla | \rightarrow | \unlhd |
| \cdots | \iiint | \natural | \Rightarrow | \unrhd |
| \chi | \iint | \nearrow | \rightharpoondown | \uparrow |
| \circ | \Im | \neg | \rightharpoonup | \Uparrow |
| \clubsuit | \imath | \neq | \rightleftharpoons | \updownarrow |
| \complement | \implies | \nexists | \S | \Updownarrow |
| \cong | \in | \ngeq | \searrow | \uplus |
| \copyright | \infty | \ngtr | \sec | \upsilon |
| \cos | \int | \ni | \setminus | \upsilon |
| \cosh | \iota | \nleq | \sharp | \Upsilon |
| \cot | \jmath | \nless | \sigma | \varepsilon |
| \coth | \Join | \nmid | \Sigma | \varnothing |
| \csc | \kappa | \not | \sim | \varphi |
| \cup | \lambda | \notin | \simeq | \varsigma |
| \dagger | \Lambda | \nparallel | \sin | \vartheta |
| \dashv | \land | \nsubseteq | \sinh | \vdash |
| \ddagger | \langle | \nsupseteq | \smile | \vec |
| \delta | \lceil | \nu | \spadesuit | \vee |
| \Delta | \le | \nwarrow | \sphericalangle | \wedge |
| \diamond | \leadsto | \odot | \sqcap | \wp |
| \Diamond | \leftarrow | \oiiint | \sqcup | \wr |
| \diamondsuit | \Leftarrow | \oiint | \sqrt | \xi |
| \div | \leftharpoondown | \oint | \sqsubset | \Xi |
| \dot | \leftharpoonup | \omega | \sqsubseteq | \zeta |
| \doteq | \leftrightarrow | \Omega | \sqsupset | |
| \dots | \Leftrightarrow | \ominus | \sqsupseteq | |
| \downarrow | \leq | \oplus | \square |